Contract
XDR Source: enum ContractCostType { // Cost of running 1 wasm instruction WasmInsnExec = 0, // Cost of allocating a slice of memory (in bytes) MemAlloc = 1, // Cost of copying a slice of bytes into a pre-allocated memory MemCpy = 2, // Cost of comparing two slices of memory MemCmp = 3, // Cost of a host function dispatch, not including the actual work done by // the function nor the cost of VM invocation machinary DispatchHostFunction = 4, // Cost of visiting a host object from the host object storage. Exists to // make sure some baseline cost coverage, i.e. repeatly visiting objects // by the guest will always incur some charges. VisitObject = 5, // Cost of serializing an xdr object to bytes ValSer = 6, // Cost of deserializing an xdr object from bytes ValDeser = 7, // Cost of computing the sha256 hash from bytes ComputeSha256Hash = 8, // Cost of computing the ed25519 pubkey from bytes ComputeEd25519PubKey = 9, // Cost of verifying ed25519 signature of a payload. VerifyEd25519Sig = 10, // Cost of instantiation a VM from wasm bytes code. VmInstantiation = 11, // Cost of instantiation a VM from a cached state. VmCachedInstantiation = 12, // Cost of invoking a function on the VM. If the function is a host function, // additional cost will be covered by DispatchHostFunction. InvokeVmFunction = 13, // Cost of computing a keccak256 hash from bytes. ComputeKeccak256Hash = 14, // Cost of decoding an ECDSA signature computed from a 256-bit prime modulus // curve (e.g. secp256k1 and secp256r1) DecodeEcdsaCurve256Sig = 15, // Cost of recovering an ECDSA secp256k1 key from a signature. RecoverEcdsaSecp256k1Key = 16, // Cost of int256 addition (+) and subtraction (-) operations Int256AddSub = 17, // Cost of int256 multiplication (*) operation Int256Mul = 18, // Cost of int256 division (/) operation Int256Div = 19, // Cost of int256 power (exp) operation Int256Pow = 20, // Cost of int256 shift (shl, shr) operation Int256Shift = 21, // Cost of drawing random bytes using a ChaCha20 PRNG ChaCha20DrawBytes = 22,
// Cost of parsing wasm bytes that only encode instructions.
ParseWasmInstructions = 23,
// Cost of parsing a known number of wasm functions.
ParseWasmFunctions = 24,
// Cost of parsing a known number of wasm globals.
ParseWasmGlobals = 25,
// Cost of parsing a known number of wasm table entries.
ParseWasmTableEntries = 26,
// Cost of parsing a known number of wasm types.
ParseWasmTypes = 27,
// Cost of parsing a known number of wasm data segments.
ParseWasmDataSegments = 28,
// Cost of parsing a known number of wasm element segments.
ParseWasmElemSegments = 29,
// Cost of parsing a known number of wasm imports.
ParseWasmImports = 30,
// Cost of parsing a known number of wasm exports.
ParseWasmExports = 31,
// Cost of parsing a known number of data segment bytes.
ParseWasmDataSegmentBytes = 32,
// Cost of instantiating wasm bytes that only encode instructions.
InstantiateWasmInstructions = 33,
// Cost of instantiating a known number of wasm functions.
InstantiateWasmFunctions = 34,
// Cost of instantiating a known number of wasm globals.
InstantiateWasmGlobals = 35,
// Cost of instantiating a known number of wasm table entries.
InstantiateWasmTableEntries = 36,
// Cost of instantiating a known number of wasm types.
InstantiateWasmTypes = 37,
// Cost of instantiating a known number of wasm data segments.
InstantiateWasmDataSegments = 38,
// Cost of instantiating a known number of wasm element segments.
InstantiateWasmElemSegments = 39,
// Cost of instantiating a known number of wasm imports.
InstantiateWasmImports = 40,
// Cost of instantiating a known number of wasm exports.
InstantiateWasmExports = 41,
// Cost of instantiating a known number of data segment bytes.
InstantiateWasmDataSegmentBytes = 42,
// Cost of decoding a bytes array representing an uncompressed SEC-1 encoded
// point on a 256-bit elliptic curve
Sec1DecodePointUncompressed = 43,
// Cost of verifying an ECDSA Secp256r1 signature
VerifyEcdsaSecp256r1Sig = 44,
// Cost of encoding a BLS12-381 Fp (base field element)
Bls12381EncodeFp = 45,
// Cost of decoding a BLS12-381 Fp (base field element)
Bls12381DecodeFp = 46,
// Cost of checking a G1 point lies on the curve
Bls12381G1CheckPointOnCurve = 47,
// Cost of checking a G1 point belongs to the correct subgroup
Bls12381G1CheckPointInSubgroup = 48,
// Cost of checking a G2 point lies on the curve
Bls12381G2CheckPointOnCurve = 49,
// Cost of checking a G2 point belongs to the correct subgroup
Bls12381G2CheckPointInSubgroup = 50,
// Cost of converting a BLS12-381 G1 point from projective to affine coordinates
Bls12381G1ProjectiveToAffine = 51,
// Cost of converting a BLS12-381 G2 point from projective to affine coordinates
Bls12381G2ProjectiveToAffine = 52,
// Cost of performing BLS12-381 G1 point addition
Bls12381G1Add = 53,
// Cost of performing BLS12-381 G1 scalar multiplication
Bls12381G1Mul = 54,
// Cost of performing BLS12-381 G1 multi-scalar multiplication (MSM)
Bls12381G1Msm = 55,
// Cost of mapping a BLS12-381 Fp field element to a G1 point
Bls12381MapFpToG1 = 56,
// Cost of hashing to a BLS12-381 G1 point
Bls12381HashToG1 = 57,
// Cost of performing BLS12-381 G2 point addition
Bls12381G2Add = 58,
// Cost of performing BLS12-381 G2 scalar multiplication
Bls12381G2Mul = 59,
// Cost of performing BLS12-381 G2 multi-scalar multiplication (MSM)
Bls12381G2Msm = 60,
// Cost of mapping a BLS12-381 Fp2 field element to a G2 point
Bls12381MapFp2ToG2 = 61,
// Cost of hashing to a BLS12-381 G2 point
Bls12381HashToG2 = 62,
// Cost of performing BLS12-381 pairing operation
Bls12381Pairing = 63,
// Cost of converting a BLS12-381 scalar element from U256
Bls12381FrFromU256 = 64,
// Cost of converting a BLS12-381 scalar element to U256
Bls12381FrToU256 = 65,
// Cost of performing BLS12-381 scalar element addition/subtraction
Bls12381FrAddSub = 66,
// Cost of performing BLS12-381 scalar element multiplication
Bls12381FrMul = 67,
// Cost of performing BLS12-381 scalar element exponentiation
Bls12381FrPow = 68,
// Cost of performing BLS12-381 scalar element inversion
Bls12381FrInv = 69,
// Cost of encoding a BN254 Fp (base field element)
Bn254EncodeFp = 70,
// Cost of decoding a BN254 Fp (base field element)
Bn254DecodeFp = 71,
// Cost of checking a G1 point lies on the curve
Bn254G1CheckPointOnCurve = 72,
// Cost of checking a G2 point lies on the curve
Bn254G2CheckPointOnCurve = 73,
// Cost of checking a G2 point belongs to the correct subgroup
Bn254G2CheckPointInSubgroup = 74,
// Cost of converting a BN254 G1 point from projective to affine coordinates
Bn254G1ProjectiveToAffine = 75,
// Cost of performing BN254 G1 point addition
Bn254G1Add = 76,
// Cost of performing BN254 G1 scalar multiplication
Bn254G1Mul = 77,
// Cost of performing BN254 pairing operation
Bn254Pairing = 78,
// Cost of converting a BN254 scalar element from U256
Bn254FrFromU256 = 79};
Entries
Cost of running 1 wasm instruction
Cost of a host function dispatch, not including the actual work done by the function nor the cost of VM invocation machinary
Cost of visiting a host object from the host object storage. Exists to make sure some baseline cost coverage, i.e. repeatly visiting objects by the guest will always incur some charges.
Cost of computing the sha256 hash from bytes
Cost of computing the ed25519 pubkey from bytes
Cost of verifying ed25519 signature of a payload.
Cost of instantiation a VM from wasm bytes code.
Cost of instantiation a VM from a cached state.
Cost of invoking a function on the VM. If the function is a host function, additional cost will be covered by DispatchHostFunction.
Cost of computing a keccak256 hash from bytes.
Cost of decoding an ECDSA signature computed from a 256-bit prime modulus curve (e.g. secp256k1 and secp256r1)
Cost of recovering an ECDSA secp256k1 key from a signature.
Cost of int256 addition (+) and subtraction (-) operations
Cost of int256 shift (shl, shr) operation
Cost of drawing random bytes using a ChaCha20 PRNG
Cost of parsing wasm bytes that only encode instructions.
Cost of parsing a known number of wasm functions.
Cost of parsing a known number of wasm globals.
Cost of parsing a known number of wasm table entries.
Cost of parsing a known number of wasm types.
Cost of parsing a known number of wasm data segments.
Cost of parsing a known number of wasm element segments.
Cost of parsing a known number of wasm imports.
Cost of parsing a known number of wasm exports.
Cost of parsing a known number of data segment bytes.
Cost of instantiating wasm bytes that only encode instructions.
Cost of instantiating a known number of wasm functions.
Cost of instantiating a known number of wasm globals.
Cost of instantiating a known number of wasm table entries.
Cost of instantiating a known number of wasm types.
Cost of instantiating a known number of wasm data segments.
Cost of instantiating a known number of wasm element segments.
Cost of instantiating a known number of wasm imports.
Cost of instantiating a known number of wasm exports.
Cost of instantiating a known number of data segment bytes.
Cost of decoding a bytes array representing an uncompressed SEC-1 encoded point on a 256-bit elliptic curve
Cost of verifying an ECDSA Secp256r1 signature
Cost of encoding a BLS12-381 Fp (base field element)
Cost of decoding a BLS12-381 Fp (base field element)
Cost of checking a G1 point lies on the curve
Cost of checking a G1 point belongs to the correct subgroup
Cost of checking a G2 point lies on the curve
Cost of checking a G2 point belongs to the correct subgroup
Cost of converting a BLS12-381 G1 point from projective to affine coordinates
Cost of converting a BLS12-381 G2 point from projective to affine coordinates
Cost of performing BLS12-381 G1 point addition
Cost of performing BLS12-381 G1 scalar multiplication
Cost of performing BLS12-381 G1 multi-scalar multiplication (MSM)
Cost of mapping a BLS12-381 Fp field element to a G1 point
Cost of hashing to a BLS12-381 G1 point
Cost of performing BLS12-381 G2 point addition
Cost of performing BLS12-381 G2 scalar multiplication
Cost of performing BLS12-381 G2 multi-scalar multiplication (MSM)
Cost of mapping a BLS12-381 Fp2 field element to a G2 point
Cost of hashing to a BLS12-381 G2 point
Cost of performing BLS12-381 pairing operation
Cost of converting a BLS12-381 scalar element from U256
Cost of converting a BLS12-381 scalar element to U256
Cost of performing BLS12-381 scalar element addition/subtraction
Cost of performing BLS12-381 scalar element multiplication
Cost of performing BLS12-381 scalar element exponentiation
Cost of performing BLS12-381 scalar element inversion
Cost of encoding a BN254 Fp (base field element)
Cost of decoding a BN254 Fp (base field element)
Cost of checking a G1 point lies on the curve
Cost of checking a G2 point lies on the curve
Cost of checking a G2 point belongs to the correct subgroup
Cost of converting a BN254 G1 point from projective to affine coordinates
Cost of performing BN254 G1 point addition
Cost of performing BN254 G1 scalar multiplication
Cost of performing BN254 pairing operation
Cost of converting a BN254 scalar element from U256
Properties
Functions
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Returns an array containing the constants of this enum type, in the order they're declared.