LCOV - code coverage report
Current view: top level - flamenco/vm - fd_vm_base.h (source / functions) Hit Total Coverage
Test: cov.lcov Lines: 93 148 62.8 %
Date: 2026-07-12 05:24:35 Functions: 14 1656 0.8 %

          Line data    Source code
       1             : #ifndef HEADER_fd_src_flamenco_vm_fd_vm_base_h
       2             : #define HEADER_fd_src_flamenco_vm_fd_vm_base_h
       3             : 
       4             : /* FIXME: Headers included from other modules need cleanup.  As it
       5             :    stands, flamenco_base brings in types/custom, types/meta,
       6             :    types/bincode, ballet/base58, ballet/sha256, ballet/sha512,
       7             :    ballet/ed25519, ballet/txnthis also brings in util, flamenco_base,
       8             :    ballet/base58, util and the optional util/net/ipv4 ballet/sha256,
       9             :    most of which is probably not necessary to use this module in a
      10             :    somewhat haphazard fashion (include no-no things that are only
      11             :    available in hosted environments like stdio and stdlib) */
      12             : 
      13             : #include "../fd_flamenco_base.h"
      14             : #include "../../ballet/sbpf/fd_sbpf_loader.h" /* FIXME: functionality needed from here probably should be moved here */
      15             : #include "../features/fd_features.h"
      16             : 
      17             : /* Defines the different VM access types */
      18         177 : #define FD_VM_ACCESS_TYPE_LD (1)
      19         162 : #define FD_VM_ACCESS_TYPE_ST (2)
      20             : 
      21             : /* FD_VM_SUCCESS is zero and returned to indicate that an operation
      22             :    completed successfully.  FD_VM_ERR_* are negative integers and
      23             :    returned to indicate an operation that failed and why. */
      24             : 
      25             : /* "Standard" Firedancer error codes (FIXME: harmonize and consolidate) */
      26             : 
      27    56467394 : #define FD_VM_SUCCESS   ( 0) /* success */
      28     1891752 : #define FD_VM_ERR_INVAL (-1) /* invalid request */
      29           3 : #define FD_VM_ERR_UNSUP (-3) /* unsupported request */
      30           6 : #define FD_VM_ERR_FULL  (-5) /* storage full */
      31           3 : #define FD_VM_ERR_EMPTY (-6) /* nothing to do */
      32           3 : #define FD_VM_ERR_IO    (-7) /* input-output error */
      33             : 
      34             : /* VM exec error codes:  These are only produced by the VM itself. */
      35             : 
      36          60 : #define FD_VM_ERR_SIGFPE      (-18) /* divide by zero */
      37             : 
      38             : /* sBPF validation error codes.  These are only produced by
      39             :    fd_vm_validate.  FIXME: Consider having fd_vm_validate return
      40             :    standard error codes and then provide detail like this through an
      41             :    info arg.  FIXME: Are these exact matches to Solana?  If so, provide
      42             :    link, if not, document and refine name / consolidate further. */
      43             : 
      44        1185 : #define FD_VM_ERR_INVALID_OPCODE    (-25) /* detected an invalid opcode */
      45         471 : #define FD_VM_ERR_INVALID_SRC_REG   (-26) /* detected an invalid source register */
      46         675 : #define FD_VM_ERR_INVALID_DST_REG   (-27) /* detected an invalid destination register */
      47         150 : #define FD_VM_ERR_JMP_OUT_OF_BOUNDS (-29) /* detected an out of bounds jump */
      48           3 : #define FD_VM_ERR_JMP_TO_ADDL_IMM   (-30) /* detected a jump to an addl imm */
      49          21 : #define FD_VM_ERR_INVALID_END_IMM   (-31) /* detected an invalid immediate for an endianness conversion instruction */
      50           3 : #define FD_VM_ERR_INCOMPLETE_LDQ    (-32) /* detected an incomplete ldq at program end */
      51           3 : #define FD_VM_ERR_LDQ_NO_ADDL_IMM   (-33) /* detected a ldq without an addl imm following it */
      52          21 : #define FD_VM_ERR_INVALID_REG       (-35) /* detected an invalid register */
      53           0 : #define FD_VM_ERR_BAD_TEXT          (-36) /* detected a bad text section (overflow, outside rodata boundary, etc.,)*/
      54         198 : #define FD_VM_SH_OVERFLOW           (-37) /* detected a shift overflow, equivalent to VeriferError::ShiftWithOverflow */
      55           0 : #define FD_VM_TEXT_SZ_UNALIGNED     (-38) /* detected a text section that is not a multiple of 8 */
      56             : #define FD_VM_INVALID_FUNCTION      (-39) /* detected an invalid function */
      57             : #define FD_VM_INVALID_SYSCALL       (-40) /* detected an invalid syscall */
      58             : 
      59             : /* Syscall Errors
      60             :    https://github.com/anza-xyz/agave/blob/v2.0.7/programs/bpf_loader/src/syscalls/mod.rs#L81 */
      61             : 
      62           0 : #define FD_VM_SYSCALL_ERR_INVALID_STRING                          (-1)
      63           0 : #define FD_VM_SYSCALL_ERR_ABORT                                   (-2)
      64           0 : #define FD_VM_SYSCALL_ERR_PANIC                                   (-3)
      65           0 : #define FD_VM_SYSCALL_ERR_INVOKE_CONTEXT_BORROW_FAILED            (-4)
      66           0 : #define FD_VM_SYSCALL_ERR_MALFORMED_SIGNER_SEED                   (-5)
      67          12 : #define FD_VM_SYSCALL_ERR_BAD_SEEDS                               (-6)
      68           6 : #define FD_VM_SYSCALL_ERR_PROGRAM_NOT_SUPPORTED                   (-7)
      69           0 : #define FD_VM_SYSCALL_ERR_UNALIGNED_POINTER                       (-8)
      70           6 : #define FD_VM_SYSCALL_ERR_TOO_MANY_SIGNERS                        (-9)
      71           0 : #define FD_VM_SYSCALL_ERR_INSTRUCTION_TOO_LARGE                   (-10)
      72           0 : #define FD_VM_SYSCALL_ERR_TOO_MANY_ACCOUNTS                       (-11)
      73          36 : #define FD_VM_SYSCALL_ERR_COPY_OVERLAPPING                        (-12)
      74           0 : #define FD_VM_SYSCALL_ERR_RETURN_DATA_TOO_LARGE                   (-13)
      75          12 : #define FD_VM_SYSCALL_ERR_TOO_MANY_SLICES                         (-14)
      76           3 : #define FD_VM_SYSCALL_ERR_INVALID_LENGTH                          (-15)
      77           0 : #define FD_VM_SYSCALL_ERR_MAX_INSTRUCTION_DATA_LEN_EXCEEDED       (-16)
      78           6 : #define FD_VM_SYSCALL_ERR_MAX_INSTRUCTION_ACCOUNTS_EXCEEDED       (-17)
      79           6 : #define FD_VM_SYSCALL_ERR_MAX_INSTRUCTION_ACCOUNT_INFOS_EXCEEDED  (-18)
      80           3 : #define FD_VM_SYSCALL_ERR_INVALID_ATTRIBUTE                       (-19)
      81         258 : #define FD_VM_SYSCALL_ERR_INVALID_POINTER                         (-20)
      82           0 : #define FD_VM_SYSCALL_ERR_ARITHMETIC_OVERFLOW                     (-21)
      83             : 
      84             : /* These syscall errors are unique to Firedancer and do not have an Agave equivalent. */
      85           0 : #define FD_VM_SYSCALL_ERR_INSTR_ERR                               (-22)
      86           0 : #define FD_VM_SYSCALL_ERR_INVALID_PDA                             (-23) /* the computed pda was not a valid ed25519 point */
      87           6 : #define FD_VM_SYSCALL_ERR_COMPUTE_BUDGET_EXCEEDED                 (-24) /* compute unit limit exceeded in syscall */
      88         138 : #define FD_VM_SYSCALL_ERR_SEGFAULT                                (-25) /* illegal memory address (e.g. read/write to an address not backed by any memory) in syscall */
      89           0 : #define FD_VM_SYSCALL_ERR_OUTSIDE_RUNTIME                         (-26) /* syscall called with vm not running in solana runtime */
      90             : 
      91             : /* Poseidon returns custom errors for some reason */
      92           0 : #define FD_VM_SYSCALL_ERR_POSEIDON_INVALID_PARAMS                 (1)
      93           0 : #define FD_VM_SYSCALL_ERR_POSEIDON_INVALID_ENDIANNESS             (2)
      94             : 
      95             : /* EbpfError
      96             :    https://github.com/anza-xyz/sbpf/blob/main/src/error.rs#L20-L78 */
      97             : 
      98           0 : #define FD_VM_ERR_EBPF_ELF_ERROR                                  (-1)
      99           0 : #define FD_VM_ERR_EBPF_FUNCTION_ALREADY_REGISTERED                (-2)
     100           3 : #define FD_VM_ERR_EBPF_CALL_DEPTH_EXCEEDED                        (-3)
     101           0 : #define FD_VM_ERR_EBPF_EXIT_ROOT_CALL_FRAME                       (-4)
     102         138 : #define FD_VM_ERR_EBPF_DIVIDE_BY_ZERO                             (-5)
     103          36 : #define FD_VM_ERR_EBPF_DIVIDE_OVERFLOW                            (-6)
     104          87 : #define FD_VM_ERR_EBPF_EXECUTION_OVERRUN                          (-7)
     105          42 : #define FD_VM_ERR_EBPF_CALL_OUTSIDE_TEXT_SEGMENT                  (-8)
     106         831 : #define FD_VM_ERR_EBPF_EXCEEDED_MAX_INSTRUCTIONS                  (-9)
     107           0 : #define FD_VM_ERR_EBPF_JIT_NOT_COMPILED                           (-10)
     108           0 : #define FD_VM_ERR_EBPF_INVALID_MEMORY_REGION                      (-11)
     109         315 : #define FD_VM_ERR_EBPF_ACCESS_VIOLATION                           (-12)
     110           0 : #define FD_VM_ERR_EBPF_STACK_ACCESS_VIOLATION                     (-13)
     111          18 : #define FD_VM_ERR_EBPF_INVALID_INSTRUCTION                        (-14)
     112        1203 : #define FD_VM_ERR_EBPF_UNSUPPORTED_INSTRUCTION                    (-15)
     113           0 : #define FD_VM_ERR_EBPF_EXHAUSTED_TEXT_SEGMENT                     (-16)
     114           0 : #define FD_VM_ERR_EBPF_LIBC_INVOCATION_FAILED                     (-17)
     115           0 : #define FD_VM_ERR_EBPF_VERIFIER_ERROR                             (-18)
     116           6 : #define FD_VM_ERR_EBPF_SYSCALL_ERROR                              (-19)
     117             : 
     118             : 
     119             : FD_PROTOTYPES_BEGIN
     120             : 
     121             : /* fd_vm_strerror converts an FD_VM_SUCCESS / FD_VM_ERR_* code into
     122             :    a human readable cstr.  The lifetime of the returned pointer is
     123             :    infinite.  The returned pointer is always to a non-NULL cstr. */
     124             : 
     125             : FD_FN_CONST char const * fd_vm_strerror( int err );
     126             : 
     127             : FD_PROTOTYPES_END
     128             : 
     129             : /* fd_vm_limits API ***************************************************/
     130             : 
     131             : /* FIXME: pretty good case these actually belong in ballet/sbpf */
     132             : /* FIXME: DOCUMENT THESE / LINK TO SOLANA CODE / ETC */
     133             : 
     134             : /* VM register constants */
     135             : 
     136         330 : #define FD_VM_REG_CNT (11UL)
     137       17262 : #define FD_VM_REG_MAX (16UL) /* Actual number of SBPF instruction src/dst register indices */
     138             : 
     139             : #define FD_VM_SHADOW_REG_CNT (4UL)
     140             : 
     141             : /* VM stack constants */
     142             : 
     143       51114 : #define FD_VM_STACK_FRAME_MAX (64UL)
     144       53025 : #define FD_VM_STACK_FRAME_SZ  FD_VM_STACK_FRAME_SIZE
     145             : #define FD_VM_STACK_GUARD_SZ  (0x1000UL)
     146       39783 : #define FD_VM_STACK_MAX       (FD_VM_STACK_FRAME_MAX*(FD_VM_STACK_FRAME_SZ))
     147             : 
     148             : /* VM heap constants */
     149             : 
     150         768 : #define FD_VM_HEAP_DEFAULT ( 32UL*1024UL) /* FIXME: SHOULD THIS MATCH FD_VM_HEAP_SIZE LIMIT BELOW? */
     151           0 : #define FD_VM_HEAP_MAX     (256UL*1024UL)
     152             : 
     153             : /* VM log constants */
     154             : 
     155          27 : #define FD_VM_LOG_MAX  (10000UL)
     156             : #define FD_VM_LOG_TAIL (128UL)   /* Large enough to cover the worst case syscall log tail clobbering in string parsing */
     157             : 
     158             : /* VM memory map constants
     159             : 
     160             :    The sBPF virtual address space is divided into 4 GiB regions:
     161             : 
     162             :    SBPF V0-V2:
     163             :      region 0  0x000000000  (unmapped)
     164             :      region 1  0x100000000  program (full ELF: rodata + text)
     165             :      region 2  0x200000000  stack
     166             :      region 3  0x300000000  heap
     167             :      region 4  0x400000000  input
     168             : 
     169             :    SBPF V3:
     170             :      region 0  0x000000000  rodata segment (read-only)
     171             :      region 1  0x100000000  (unmapped, bytecode execute-only)
     172             :      region 2  0x200000000  stack
     173             :      region 3  0x300000000  heap
     174             :      region 4  0x400000000  input
     175             : 
     176             :    https://github.com/anza-xyz/sbpf/blob/v0.14.4/src/ebpf.rs#L42-L51 */
     177             : 
     178             : #define FD_VM_LO_REGION    (0UL)
     179       53163 : #define FD_VM_PROG_REGION  (1UL)
     180       53163 : #define FD_VM_STACK_REGION (2UL)
     181       53163 : #define FD_VM_HEAP_REGION  (3UL)
     182      132675 : #define FD_VM_INPUT_REGION (4UL)
     183       79512 : #define FD_VM_HIGH_REGION  (5UL)
     184             : 
     185          54 : #define FD_VM_MEM_MAP_RODATA_REGION_START   (0x000000000UL) /* SBPF V3+ only */
     186          54 : #define FD_VM_MEM_MAP_PROGRAM_REGION_START  (0x100000000UL)
     187       17577 : #define FD_VM_MEM_MAP_STACK_REGION_START    (0x200000000UL)
     188       20121 : #define FD_VM_MEM_MAP_HEAP_REGION_START     (0x300000000UL)
     189       81639 : #define FD_VM_MEM_MAP_INPUT_REGION_START    (0x400000000UL)
     190             : #define FD_VM_MEM_MAP_REGION_SZ             (0x0FFFFFFFFUL)
     191             : #define FD_VM_MEM_MAP_REGION_MASK           (~FD_VM_MEM_MAP_REGION_SZ)
     192       79512 : #define FD_VM_MEM_MAP_REGION_VIRT_ADDR_BITS (32)
     193             : 
     194             : /* VM compute budget.  Note: these names should match exactly the names
     195             :    used in existing Solana validator.  See:
     196             :    https://github.com/anza-xyz/agave/blob/v1.18.5/program-runtime/src/compute_budget.rs#L19
     197             :    https://github.com/anza-xyz/agave/blob/v1.18.5/program-runtime/src/compute_budget.rs#L133 */
     198             : /* FIXME: DOUBLE CHECK THESE */
     199             : 
     200             : /* FD_VM_COMPUTE_UNIT_LIMIT is the number of compute units that a
     201             :    transaction or individual instruction is allowed to consume.  Compute
     202             :    units are consumed by program execution, resources they use, etc ... */
     203             : 
     204         504 : #define FD_VM_COMPUTE_UNIT_LIMIT                        (         1400000UL)
     205             : 
     206             : /* FD_VM_LOG_64_UNITS is the number of compute units consumed by a
     207             :    log_64 call */
     208             : 
     209             : #define FD_VM_LOG_64_UNITS                              (             100UL)
     210             : 
     211             : /* FD_VM_CREATE_PROGRAM_ADDRESS_UNITS is the number of compute units
     212             :    consumed by a create_program_address call and a try_find_program_address_call */
     213             : 
     214             : #define FD_VM_CREATE_PROGRAM_ADDRESS_UNITS              (            1500UL)
     215             : 
     216             : /* FD_VM_INVOKE_UNITS is the number of compute units consumed by an
     217             :    invoke call (not including the cost incurred by the called program)
     218             :    https://github.com/anza-xyz/agave/blob/v3.1.2/program-runtime/src/execution_budget.rs#L22-L23 */
     219        3255 : #define FD_VM_INVOKE_UNITS                              (             946UL)
     220             : 
     221             : /* SIMD-0339 uses a fixed size (80 bytes) to bill each account info:
     222             :    - 32 bytes for account address
     223             :    - 32 bytes for owner address
     224             :    - 8 bytes for lamports
     225             :    - 8 bytes for data length
     226             :    https://github.com/anza-xyz/agave/blob/v3.1.2/program-runtime/src/cpi.rs#L63-L68
     227             :  */
     228        3081 : #define FD_VM_ACCOUNT_INFO_BYTE_SIZE                     (             80UL)
     229             : 
     230             : /* FD_VM_MAX_INVOKE_STACK_HEIGHT is the maximum program instruction
     231             :    invocation stack height. Invocation stack height starts at 1 for
     232             :    transaction instructions and the stack height is incremented each
     233             :    time a program invokes an instruction and decremented when a program
     234             :    returns */
     235             : 
     236             : #define FD_VM_MAX_INVOKE_STACK_HEIGHT                   (               5UL)
     237             : 
     238             : /* FD_VM_MAX_INSTRUCTION_TRACE_LENGTH is the maximum cross-program
     239             :    invocation and instructions per transaction */
     240             : 
     241             : #define FD_VM_MAX_INSTRUCTION_TRACE_LENGTH              (              64UL)
     242             : 
     243             : /* FD_VM_SHA256_BASE_COST is the base number of compute units consumed
     244             :    to call SHA256 */
     245             : 
     246           0 : #define FD_VM_SHA256_BASE_COST                          (              85UL)
     247             : 
     248             : /* FD_VM_SHA256_BYTE_COST is the incremental number of units consumed by
     249             :    SHA256 (based on bytes) */
     250             : 
     251          48 : #define FD_VM_SHA256_BYTE_COST                          (               1UL)
     252             : 
     253             : /* FD_VM_SHA256_MAX_SLICES is the maximum number of slices hashed per
     254             :    syscall */
     255             : 
     256          24 : #define FD_VM_SHA256_MAX_SLICES                         (           20000UL)
     257             : 
     258             : /* FD_VM_MAX_CALL_DEPTH is the maximum SBF to BPF call depth */
     259             : 
     260          99 : #define FD_VM_MAX_CALL_DEPTH                            (              64UL)
     261             : 
     262             : /* FD_VM_STACK_FRAME_SIZE is the size of a stack frame in bytes, must
     263             :    match the size specified in the LLVM SBF backend */
     264             : 
     265       53025 : #define FD_VM_STACK_FRAME_SIZE                          (            4096UL)
     266             : 
     267             : /* FD_VM_LOG_PUBKEY_UNITS is the number of compute units consumed by
     268             :    logging a `Pubkey` */
     269             : 
     270             : #define FD_VM_LOG_PUBKEY_UNITS                          (             100UL)
     271             : 
     272             : /* FD_VM_MAX_CPI_INSTRUCTION_SIZE is the maximum cross-program
     273             :    invocation instruction size */
     274             : 
     275             : #define FD_VM_MAX_CPI_INSTRUCTION_SIZE                  (            1280UL) /* IPv6 Min MTU size */
     276             : 
     277             : /* FD_VM_CPI_MAX_INSTRUCTION_ACCOUNTS is the maximum number of accounts
     278             :    that can be referenced by a single CPI instruction.
     279             : 
     280             :    Agave's bound for this is the same as their bound for the bound
     281             :    enforced by the bpf loader serializer.
     282             :    https://github.com/anza-xyz/agave/blob/v3.1.1/transaction-context/src/lib.rs#L32
     283             : 
     284             :    TODO: when SIMD-406 is activated, we can use FD_INSTR_ACCT_MAX instead. */
     285             : 
     286             : #define FD_VM_CPI_MAX_INSTRUCTION_ACCOUNTS           (FD_BPF_INSTR_ACCT_MAX)
     287             : 
     288             : /* FD_VM_CPI_BYTES_PER_UNIT is the number of account data bytes per
     289             :    compute unit charged during a cross-program invocation */
     290             : 
     291        6486 : #define FD_VM_CPI_BYTES_PER_UNIT                        (             250UL) /* ~50MB at 200,000 units */
     292             : 
     293             : /* FD_VM_SYSVAR_BASE_COST is the base number of compute units consumed
     294             :    to get a sysvar */
     295             : 
     296             : #define FD_VM_SYSVAR_BASE_COST                          (             100UL)
     297             : 
     298             : /* FD_VM_SECP256K1_RECOVER_COST is the number of compute units consumed
     299             :    to call secp256k1_recover */
     300             : 
     301             : #define FD_VM_SECP256K1_RECOVER_COST                    (           25000UL)
     302             : 
     303             : /* FD_VM_SYSCALL_BASE_COST is the number of compute units consumed to do
     304             :    a syscall without any work */
     305             : 
     306           0 : #define FD_VM_SYSCALL_BASE_COST                         (             100UL)
     307             : 
     308             : /* FD_VM_CURVE_EDWARDS_VALIDATE_POINT_COST is the number of compute
     309             :    units consumed to validate a curve25519 edwards point */
     310             : 
     311             : #define FD_VM_CURVE_EDWARDS_VALIDATE_POINT_COST    (             159UL)
     312             : 
     313             : /* FD_VM_CURVE_EDWARDS_ADD_COST is the number of compute units
     314             :    consumed to add two curve25519 edwards points */
     315             : 
     316           0 : #define FD_VM_CURVE_EDWARDS_ADD_COST               (             473UL)
     317             : 
     318             : /* FD_VM_CURVE_EDWARDS_SUBTRACT_COST is the number of compute units
     319             :    consumed to subtract two curve25519 edwards points */
     320             : 
     321           0 : #define FD_VM_CURVE_EDWARDS_SUBTRACT_COST          (             475UL)
     322             : 
     323             : /* FD_VM_CURVE_EDWARDS_MULTIPLY_COST is the number of compute units
     324             :    consumed to multiply a curve25519 edwards point */
     325             : 
     326           0 : #define FD_VM_CURVE_EDWARDS_MULTIPLY_COST          (            2177UL)
     327             : 
     328             : /* FD_VM_CURVE_EDWARDS_MSM_BASE_COST is the number of compute units
     329             :    consumed for a multiscalar multiplication (msm) of edwards points.
     330             :    The total cost is calculated as
     331             :      `msm_base_cost + (length - 1) * msm_incremental_cost` */
     332             : 
     333           6 : #define FD_VM_CURVE_EDWARDS_MSM_BASE_COST          (            2273UL)
     334             : 
     335             : /* FD_VM_CURVE_EDWARDS_MSM_INCREMENTAL_COST is the number of
     336             :    compute units consumed for a multiscalar multiplication (msm) of
     337             :    edwards points.  The total cost is calculated as
     338             :      `msm_base_cost + (length - 1) * msm_incremental_cost` */
     339             : 
     340           6 : #define FD_VM_CURVE_EDWARDS_MSM_INCREMENTAL_COST   (             758UL)
     341             : 
     342             : /* FD_VM_CURVE_RISTRETTO_VALIDATE_POINT_COST is the number of
     343             :    compute units consumed to validate a curve25519 ristretto point */
     344             : 
     345             : #define FD_VM_CURVE_RISTRETTO_VALIDATE_POINT_COST  (             169UL)
     346             : 
     347             : /* FD_VM_CURVE_RISTRETTO_ADD_COST is the number of compute units
     348             :    consumed to add two curve25519 ristretto points */
     349             : 
     350           6 : #define FD_VM_CURVE_RISTRETTO_ADD_COST             (             521UL)
     351             : 
     352             : /* FD_VM_CURVE_RISTRETTO_SUBTRACT_COST is the number of compute
     353             :    units consumed to subtract two curve25519 ristretto points */
     354             : 
     355           3 : #define FD_VM_CURVE_RISTRETTO_SUBTRACT_COST        (             519UL)
     356             : 
     357             : /* FD_VM_CURVE_RISTRETTO_MULTIPLY_COST is the number of compute
     358             :    units consumed to multiply a curve25519 ristretto point */
     359             : 
     360           3 : #define FD_VM_CURVE_RISTRETTO_MULTIPLY_COST        (            2208UL)
     361             : 
     362             : /* FD_VM_CURVE_RISTRETTO_MSM_BASE_COST is the number of compute
     363             :    units consumed for a multiscalar multiplication (msm) of ristretto
     364             :    points.  The total cost is calculated as
     365             :      `msm_base_cost + (length - 1) * msm_incremental_cost` */
     366             : 
     367           3 : #define FD_VM_CURVE_RISTRETTO_MSM_BASE_COST        (            2303UL)
     368             : 
     369             : /* FD_VM_CURVE_RISTRETTO_MSM_INCREMENTAL_COST is the number of
     370             :    compute units consumed for a multiscalar multiplication (msm) of
     371             :    ristretto points.  The total cost is calculated as
     372             :      `msm_base_cost + (length - 1) * msm_incremental_cost` */
     373             : 
     374           3 : #define FD_VM_CURVE_RISTRETTO_MSM_INCREMENTAL_COST (             788UL)
     375             : 
     376             : /* FD_VM_CURVE_BLS12_381_G1_ADD_COST is the number of compute
     377             :    units consumed for addition in BLS12-381 G1. */
     378             : 
     379           3 : #define FD_VM_CURVE_BLS12_381_G1_ADD_COST          (             128UL)
     380             : 
     381             : /* FD_VM_CURVE_BLS12_381_G2_ADD_COST is the number of compute
     382             :    units consumed for addition in BLS12-381 G2. */
     383             : 
     384           0 : #define FD_VM_CURVE_BLS12_381_G2_ADD_COST          (             203UL)
     385             : 
     386             : /* FD_VM_CURVE_BLS12_381_G1_SUB_COST is the number of compute
     387             :    units consumed for subtraction in BLS12-381 G1. */
     388             : 
     389           0 : #define FD_VM_CURVE_BLS12_381_G1_SUB_COST          (             129UL)
     390             : 
     391             : /* FD_VM_CURVE_BLS12_381_G2_SUB_COST is the number of compute
     392             :    units consumed for subtraction in BLS12-381 G2. */
     393             : 
     394           0 : #define FD_VM_CURVE_BLS12_381_G2_SUB_COST          (             204UL)
     395             : 
     396             : /* FD_VM_CURVE_BLS12_381_G1_MUL_COST is the number of compute
     397             :    units consumed for multiplication in BLS12-381 G1. */
     398             : 
     399           0 : #define FD_VM_CURVE_BLS12_381_G1_MUL_COST          (            4627UL)
     400             : 
     401             : /* FD_VM_CURVE_BLS12_381_G2_MUL_COST is the number of compute
     402             :    units consumed for multiplication in BLS12-381 G2. */
     403             : 
     404           0 : #define FD_VM_CURVE_BLS12_381_G2_MUL_COST          (            8255UL)
     405             : 
     406             : /* FD_VM_CURVE_BLS12_381_G1_DECOMPRESS_COST is the number of compute
     407             :    units consumed for point decompression in BLS12-381 G1. */
     408             : #define FD_VM_CURVE_BLS12_381_G1_DECOMPRESS_COST   (            2100UL)
     409             : 
     410             : /* FD_VM_CURVE_BLS12_381_G2_DECOMPRESS_COST is the number of compute
     411             :    units consumed for point decompression in BLS12-381 G2. */
     412             : 
     413             : #define FD_VM_CURVE_BLS12_381_G2_DECOMPRESS_COST   (            3050UL)
     414             : 
     415             : /* FD_VM_CURVE_BLS12_381_G1_VALIDATE_COST is the number of compute
     416             :    units consumed for point validation in BLS12-381 G1. */
     417             : 
     418             : #define FD_VM_CURVE_BLS12_381_G1_VALIDATE_COST     (            1565UL)
     419             : 
     420             : /* FD_VM_CURVE_BLS12_381_G2_VALIDATE_COST is the number of compute
     421             :    units consumed for point validation in BLS12-381 G2. */
     422             : 
     423             : #define FD_VM_CURVE_BLS12_381_G2_VALIDATE_COST     (            1968UL)
     424             : 
     425             : /* FD_VM_CURVE_BLS12_381_PAIRING_*_COST are the number of compute
     426             :    units consumed for calculating a pairing map in BLS12-381.
     427             :    The total cost is calculated as
     428             :      `pairing_base_cost + (length-1) * pairing_incr_cost` */
     429             : 
     430           6 : #define FD_VM_CURVE_BLS12_381_PAIRING_BASE_COST    (           25445UL)
     431           6 : #define FD_VM_CURVE_BLS12_381_PAIRING_INCR_COST    (           13023UL)
     432             : 
     433             : /* FD_VM_HEAP_SIZE is the program heap region size, default:
     434             :    solana_sdk::entrypoint::HEAP_LENGTH */
     435             : 
     436             : #define FD_VM_HEAP_SIZE                                 (           32768UL)
     437             : 
     438             : /* FD_VM_HEAP_COST is the number of compute units per additional 32k
     439             :    heap above the default (~.5 us per 32k at 15 units/us rounded up) */
     440             : 
     441        2751 : #define FD_VM_HEAP_COST                                 (               8UL) /* DEFAULT_HEAP_COST */
     442             : 
     443             : /* FD_VM_MEM_OP_BASE_COST is the memory operation syscall base cost */
     444             : 
     445          48 : #define FD_VM_MEM_OP_BASE_COST                          (              10UL)
     446             : 
     447             : /* FD_VM_ALT_BN128_ADDITION_COST is the number of compute units consumed
     448             :    to call alt_bn128_addition */
     449             : 
     450           0 : #define FD_VM_ALT_BN128_G1_ADDITION_COST                (             334UL)
     451           0 : #define FD_VM_ALT_BN128_G2_ADDITION_COST                (             535UL)
     452             : 
     453             : /* FD_VM_ALT_BN128_MULTIPLICATION_COST is the number of compute units
     454             :    consumed to call alt_bn128_multiplication */
     455             : 
     456           0 : #define FD_VM_ALT_BN128_G1_MULTIPLICATION_COST          (            3840UL)
     457           0 : #define FD_VM_ALT_BN128_G2_MULTIPLICATION_COST          (           15670UL)
     458             : 
     459             : /* FD_VM_ALT_BN128_PAIRING_ONE_PAIR_COST_FIRST
     460             :    FD_VM_ALT_BN128_PAIRING_ONE_PAIR_COST_OTHER give the total cost as
     461             :      alt_bn128_pairing_one_pair_cost_first + alt_bn128_pairing_one_pair_cost_other * (num_elems - 1) */
     462             : 
     463           0 : #define FD_VM_ALT_BN128_PAIRING_ONE_PAIR_COST_FIRST     (           36364UL)
     464           0 : #define FD_VM_ALT_BN128_PAIRING_ONE_PAIR_COST_OTHER     (           12121UL)
     465             : 
     466             : /* FD_VM_BIG_MODULAR_EXPONENTIATION_COST is the big integer modular
     467             :    exponentiation cost */
     468             : 
     469             : #define FD_VM_BIG_MODULAR_EXPONENTIATION_COST           (              33UL)
     470             : 
     471             : /* FD_VM_POSEIDON_COST_COEFFICIENT_A is the coefficient `a` of the
     472             :    quadratic function which determines the number of compute units
     473             :    consumed to call poseidon syscall for a given number of inputs */
     474             : 
     475           0 : #define FD_VM_POSEIDON_COST_COEFFICIENT_A               (              61UL)
     476             : 
     477             : /* FD_VM_POSEIDON_COST_COEFFICIENT_C is the coefficient `c` of the
     478             :    quadratic function which determines the number of compute units
     479             :    consumed to call poseidon syscall for a given number of inputs */
     480             : 
     481           0 : #define FD_VM_POSEIDON_COST_COEFFICIENT_C               (             542UL)
     482             : 
     483             : /* FD_VM_GET_REMAINING_COMPUTE_UNITS_COST is the number of compute units
     484             :    consumed for reading the remaining compute units */
     485             : 
     486             : #define FD_VM_GET_REMAINING_COMPUTE_UNITS_COST          (             100UL)
     487             : 
     488             : /* FD_VM_ALT_BN128_G1_COMPRESS is the number of compute units consumed
     489             :    to call alt_bn128_g1_compress */
     490             : 
     491           0 : #define FD_VM_ALT_BN128_G1_COMPRESS                     (              30UL)
     492             : 
     493             : /* FD_VM_ALT_BN128_G1_DECOMPRESS is the number of compute units consumed
     494             :    to call alt_bn128_g1_decompress */
     495             : 
     496           0 : #define FD_VM_ALT_BN128_G1_DECOMPRESS                   (             398UL)
     497             : 
     498             : /* FD_VM_ALT_BN128_G2_COMPRESS is the number of compute units consumed
     499             :    to call alt_bn128_g2_compress */
     500             : 
     501           0 : #define FD_VM_ALT_BN128_G2_COMPRESS                     (              86UL)
     502             : 
     503             : /* FD_VM_ALT_BN128_G2_DECOMPRESS is the number of compute units consumed
     504             :    to call alt_bn128_g2_decompress */
     505             : 
     506           0 : #define FD_VM_ALT_BN128_G2_DECOMPRESS                   (           13610UL)
     507             : 
     508             : /* FD_VM_LOADED_ACCOUNTS_DATA_SIZE_LIMIT is the maximum accounts data
     509             :    size, in bytes, that a transaction is allowed to load */
     510             : 
     511         303 : #define FD_VM_LOADED_ACCOUNTS_DATA_SIZE_LIMIT           (64UL*1024UL*1024UL) /* 64MiB */
     512             : 
     513             : /* fd_vm_disasm API ***************************************************/
     514             : 
     515             : /* FIXME: pretty good case this actually belongs in ballet/sbpf */
     516             : /* FIXME: fd_sbpf_instr_t is nominally a ulong but implemented using
     517             :    bit-fields.  Compilers tend to generate notoriously poor asm for bit
     518             :    fields ... check ASM here. */
     519             : 
     520             : FD_PROTOTYPES_BEGIN
     521             : 
     522             : /* fd_vm_disasm_{instr,program} appends to the *_out_len (in strlen
     523             :    sense) cstr in the out_max byte buffer out a pretty printed cstr of
     524             :    the {instruction,program}.  If syscalls is non-NULL, syscalls will be
     525             :    annotated with the names from the provided syscall mapping.
     526             : 
     527             :    On input, *_out_len should be strlen(out) and in [0,out_max).  For
     528             :    instr, pc is the program counter corresponding to text[0] (as such
     529             :    text_cnt should be positive) and text_cnt is the number of words
     530             :    available at text to support safely printing multiword instructions.
     531             : 
     532             :    Given a valid out on input, on output, *_out_len will be strlen(out)
     533             :    and in [0,out_max), even if there was an error.
     534             : 
     535             :    Returns:
     536             : 
     537             :    FD_VM_SUCCESS - out buffer and *_out_len updated.
     538             : 
     539             :    FD_VM_ERR_INVAL - Invalid input.  For instr, out buffer and *_out_len
     540             :    are unchanged.  For program, out buffer and *_out_len will have been
     541             :    updated up to the point where the error occurred.
     542             : 
     543             :    FD_VM_ERR_UNSUP - For program, too many functions and/or labels for
     544             :    the current implementation.  out buffer and *_out_len unchanged.
     545             : 
     546             :    FD_VM_ERR_FULL - Not enough room in out to hold the result so output
     547             :    was truncated.  out buffer and *_out_len updated.
     548             : 
     549             :    FD_VM_ERR_IO - An error occurred formatting the string to append.  For
     550             :    instr, out_buffer and *_out_len unchanged.  For program, out buffer
     551             :    and *_out_len will have been updated up to the point where the error
     552             :    occurred.  In both cases, trailing bytes of out might have been
     553             :    clobbered. */
     554             : 
     555             : int
     556             : fd_vm_disasm_instr( ulong const *              text,      /* Indexed [0,text_cnt) */
     557             :                     ulong                      text_cnt,
     558             :                     ulong                      pc,
     559             :                     fd_sbpf_syscalls_t const * syscalls,
     560             :                     char *                     out,       /* Indexed [0,out_max) */
     561             :                     ulong                      out_max,
     562             :                     ulong *                    _out_len );
     563             : 
     564             : int
     565             : fd_vm_disasm_program( ulong const *              text,       /* Indexed [0,text_cnt) */
     566             :                       ulong                      text_cnt,
     567             :                       fd_sbpf_syscalls_t const * syscalls,
     568             :                       char *                     out,        /* Indexed [0,out_max) */
     569             :                       ulong                      out_max,
     570             :                       ulong *                    _out_len );
     571             : 
     572             : FD_PROTOTYPES_END
     573             : 
     574             : /* fd_vm_trace API ****************************************************/
     575             : 
     576             : /* FIXME: pretty good case this actually belongs in ballet/sbpf */
     577             : 
     578             : /* A FD_VM_TRACE_EVENT_TYPE_* indicates how a fd_vm_trace_event_t should
     579             :    be interpreted. */
     580             : 
     581          30 : #define FD_VM_TRACE_EVENT_TYPE_EXE   (0)
     582          24 : #define FD_VM_TRACE_EVENT_TYPE_READ  (1)
     583          24 : #define FD_VM_TRACE_EVENT_TYPE_WRITE (2)
     584             : 
     585             : struct fd_vm_trace_event_exe {
     586             :   /* This point is aligned 8 */
     587             :   ulong info;                 /* Event info bit field */
     588             :   ulong pc;                   /* pc */
     589             :   ulong ic;                   /* ic */
     590             :   ulong cu;                   /* cu */
     591             :   ulong ic_correction;        /* ic_correction */
     592             :   ulong frame_cnt;            /* frame_cnt */
     593             :   ulong reg[ FD_VM_REG_CNT ]; /* registers */
     594             :   ulong text[ 2 ];            /* If the event has valid clear, this is actually text[1] */
     595             :   /* This point is aligned 8 */
     596             : };
     597             : 
     598             : typedef struct fd_vm_trace_event_exe fd_vm_trace_event_exe_t;
     599             : 
     600             : struct fd_vm_trace_event_mem {
     601             :   /* This point is aligned 8 */
     602             :   ulong info;  /* Event info bit field */
     603             :   ulong vaddr; /* VM address range associated with event */
     604             :   ulong sz;
     605             :   /* This point is aligned 8
     606             :      If event has valid set:
     607             :        min(sz,event_data_max) bytes user data bytes
     608             :        padding to aligned 8 */
     609             : };
     610             : 
     611             : typedef struct fd_vm_trace_event_mem fd_vm_trace_event_mem_t;
     612             : 
     613           3 : #define FD_VM_TRACE_MAGIC (0xfdc377ace3a61c00UL) /* FD VM TRACE MAGIC version 0 */
     614             : 
     615             : struct fd_vm_trace {
     616             :   /* This point is aligned 8 */
     617             :   ulong magic;          /* ==FD_VM_TRACE_MAGIC */
     618             :   ulong event_max;      /* Number bytes of event storage */
     619             :   ulong event_data_max; /* Max bytes to capture per data event */
     620             :   ulong event_sz;       /* Used bytes of event storage */
     621             :   /* This point is aligned 8
     622             :      event_max bytes storage
     623             :      padding to aligned 8 */
     624             : };
     625             : 
     626             : typedef struct fd_vm_trace fd_vm_trace_t;
     627             : 
     628             : FD_PROTOTYPES_BEGIN
     629             : 
     630             : /* trace object structors */
     631             : /* FIXME: DOCUMENT (USUAL CONVENTIONS) */
     632             : 
     633             : FD_FN_CONST ulong
     634             : fd_vm_trace_align( void );
     635             : 
     636             : FD_FN_CONST ulong
     637             : fd_vm_trace_footprint( ulong event_max,        /* Maximum amount of event storage (<=1 EiB) */
     638             :                        ulong event_data_max ); /* Maximum number of bytes that can be captured in an event (<=1 EiB) */
     639             : 
     640             : void *
     641             : fd_vm_trace_new( void * shmem,
     642             :                  ulong  event_max,
     643             :                  ulong  event_data_max );
     644             : 
     645             : fd_vm_trace_t *
     646             : fd_vm_trace_join( void * _trace );
     647             : 
     648             : void *
     649             : fd_vm_trace_leave( fd_vm_trace_t * trace );
     650             : 
     651             : void *
     652             : fd_vm_trace_delete( void * _trace );
     653             : 
     654             : /* Given a current local join, fd_vm_trace_event returns the location in
     655             :    the caller's address space where trace events are stored and
     656             :    fd_vm_trace_event_sz returns number of bytes of trace events stored
     657             :    at that location.  event_max is the number of bytes of event storage
     658             :    (value used to construct the trace) and event_data_max is the maximum
     659             :    number of data bytes that can be captured per event (value used to
     660             :    construct the trace).  event will be aligned 8 and event_sz will be a
     661             :    multiple of 8 in [0,event_max].  The lifetime of the returned pointer
     662             :    is the lifetime of the current join.  The first 8 bytes of an event
     663             :    are an info field used by trace inspection tools how to interpret the
     664             :    event. */
     665             : 
     666           6 : FD_FN_CONST static inline void const * fd_vm_trace_event         ( fd_vm_trace_t const * trace ) { return (void *)(trace+1);     }
     667           6 : FD_FN_CONST static inline ulong        fd_vm_trace_event_sz      ( fd_vm_trace_t const * trace ) { return trace->event_sz;       }
     668           3 : FD_FN_CONST static inline ulong        fd_vm_trace_event_max     ( fd_vm_trace_t const * trace ) { return trace->event_max;      }
     669           6 : FD_FN_CONST static inline ulong        fd_vm_trace_event_data_max( fd_vm_trace_t const * trace ) { return trace->event_data_max; }
     670             : 
     671             : /* fd_vm_trace_event_info returns the event info corresponding to the
     672             :    given (type,valid) tuple.  Assumes type is a FD_VM_TRACE_EVENT_TYPE_*
     673             :    and that valid is in [0,1].  fd_vm_trace_event_info_{type,valid}
     674             :    extract from the given info {type,valid}.  Assumes info is valid. */
     675             : 
     676          45 : FD_FN_CONST static inline ulong fd_vm_trace_event_info( int type, int valid ) { return (ulong)((valid<<2) | type); }
     677             : 
     678          45 : FD_FN_CONST static inline int fd_vm_trace_event_info_type ( ulong info ) { return (int)(info & 3UL); } /* EVENT_TYPE_* */
     679          45 : FD_FN_CONST static inline int fd_vm_trace_event_info_valid( ulong info ) { return (int)(info >> 2);  } /* In [0,1] */
     680             : 
     681             : /* fd_vm_trace_reset frees all events in the trace.  Returns
     682             :    FD_VM_SUCCESS (0) on success or FD_VM_ERR code (negative) on failure.
     683             :    Reasons for failure include NULL trace. */
     684             : 
     685             : static inline int
     686           0 : fd_vm_trace_reset( fd_vm_trace_t * trace ) {
     687           0 :   if( FD_UNLIKELY( !trace ) ) return FD_VM_ERR_INVAL;
     688           0 :   trace->event_sz = 0UL;
     689           0 :   return FD_VM_SUCCESS;
     690           0 : }
     691             : 
     692             : /* fd_vm_trace_event_exe records the current pc, ic, cu and
     693             :    register file of the VM and the instruction about to execute.  Text
     694             :    points to the first word of the instruction about to execute and
     695             :    text_cnt points to the number of words available at that point.
     696             :    Returns FD_VM_SUCCESS (0) on success and a FD_VM_ERR code (negative)
     697             :    on failure.  Reasons for failure include INVAL (trace NULL, reg NULL,
     698             :    text NULL, and/or text_cnt 0) and FULL (insufficient trace event
     699             :    storage available). */
     700             : 
     701             : int
     702             : fd_vm_trace_event_exe( fd_vm_trace_t * trace,
     703             :                        ulong           pc,
     704             :                        ulong           ic,
     705             :                        ulong           cu,
     706             :                        ulong           reg[ FD_VM_REG_CNT ],
     707             :                        ulong const *   text,       /* Indexed [0,text_cnt) */
     708             :                        ulong           text_cnt,
     709             :                        ulong           ic_correction,
     710             :                        ulong           frame_cnt );
     711             : 
     712             : /* fd_vm_trace_event_mem records an attempt to access the VM address
     713             :    range [vaddr,vaddr+sz).  If write==0, it was a read attempt,
     714             :    otherwise, it was a write attempt.  Data points to the location of
     715             :    the memory range in host memory or NULL if the range is invalid.  If
     716             :    data is not NULL and sz is non-zero, this will record
     717             :    min(sz,event_data_max) of data for the event and mark the event has
     718             :    having valid data.  Returns FD_VM_SUCCESS (0) on success and a
     719             :    FD_VM_ERR code (negative) on failure.  Reasons for failure include
     720             :    INVAL (trace NULL) and FULL (insufficient trace event storage
     721             :    available to store the event). */
     722             : 
     723             : int
     724             : fd_vm_trace_event_mem( fd_vm_trace_t * trace,
     725             :                        int             write,
     726             :                        ulong           vaddr,
     727             :                        ulong           sz,
     728             :                        void *          data );
     729             : 
     730             : /* fd_vm_trace_printf pretty prints the current trace to stdout.  If
     731             :    syscalls is non-NULL, the trace will annotate syscalls in its
     732             :    disassembly according the syscall mapping.  Returns FD_VM_SUCCESS (0)
     733             :    on success and a FD_VM_ERR code (negative) on failure.  Reasons for
     734             :    failure include INVAL (NULL trace) and IO (corruption detected while
     735             :    parsing the trace events).  FIXME: REVAMP THIS API FOR MORE GENERAL
     736             :    USE CASES. */
     737             : 
     738             : int
     739             : fd_vm_trace_printf( fd_vm_trace_t      const * trace,
     740             :                     fd_sbpf_syscalls_t const * syscalls );
     741             : 
     742             : /* fd_vm_syscall API **************************************************/
     743             : 
     744             : /* FIXME: fd_sbpf_syscalls_t and fd_sbpf_syscall_func_t probably should
     745             :    be moved from ballet/sbpf to here. */
     746             : 
     747             : /* Note: the syscall map is kept separate from the fd_vm_t itself to
     748             :    support, for example, multiple fd_vm_t executing transactions
     749             :    concurrently for a slot.  They could use the same syscalls for setup,
     750             :    memory and cache efficiency. */
     751             : 
     752             : /* fd_vm_syscall_register inserts the syscall with the given cstr name
     753             :    into the given syscalls.  The VM syscall implementation to use is
     754             :    given by func (NULL is fine though a VM itself may not accept such as
     755             :    valid).  The caller promises there is room in the syscall map.
     756             :    Returns FD_VM_SUCCESS (0) on success or a FD_VM_ERR code (negative)
     757             :    on failure.  Reasons for failure include INVAL (NULL syscalls, NULL
     758             :    name, name or the hash of name already in the map).  On success,
     759             :    syscalls retains a read-only interest in name (e.g. use an infinite
     760             :    lifetime cstr here).  (This function is exposed to allow VM users to
     761             :    add custom syscalls but most use cases probably should just call
     762             :    fd_vm_syscall_register_slot below.)
     763             : 
     764             :    IMPORTANT SAFETY TIP!  See notes in syscall/fd_vm_syscall.h on what a
     765             :    syscall should expect to see and what to return. */
     766             : 
     767             : int
     768             : fd_vm_syscall_register( fd_sbpf_syscalls_t *   syscalls,
     769             :                         char const *           name,
     770             :                         fd_sbpf_syscall_func_t func );
     771             : 
     772             : /* fd_vm_syscall_register_slot unmaps all syscalls in the current map
     773             :    (also ending any interest in the corresponding name cstr) and
     774             :    registers all syscalls appropriate for the slot.  Returns
     775             :    FD_VM_SUCCESS (0) on success and FD_VM_ERR code (negative) on
     776             :    failure.  Reasons for failure include INVAL (NULL syscalls) and FULL
     777             :    (tried to register too many system calls ... compile time map size
     778             :    needs to be adjusted).
     779             : 
     780             :    is_deploy should be 1 if the set of syscalls registered should be that
     781             :    used to verify programs before they are deployed, and 0 if it
     782             :    should be the set used to execute programs. */
     783             : 
     784             : int
     785             : fd_vm_syscall_register_slot( fd_sbpf_syscalls_t *  syscalls,
     786             :                              ulong                 slot,
     787             :                              fd_features_t const * features,
     788             :                              uchar                 is_deploy );
     789             : 
     790             : /* fd_vm_syscall_register_all is a shorthand for registering all
     791             :    syscalls (see register slot). */
     792             : 
     793             : static inline int
     794           3 : fd_vm_syscall_register_all( fd_sbpf_syscalls_t * syscalls, uchar is_deploy ) {
     795             :   return fd_vm_syscall_register_slot( syscalls, 0UL, NULL, is_deploy );
     796           3 : }
     797             : 
     798             : FD_PROTOTYPES_END
     799             : 
     800             : #endif /* HEADER_fd_src_flamenco_vm_fd_vm_base_h */

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