package vm import ( "fmt" "github.com/ipfs/go-cid" "github.com/filecoin-project/go-address" addr "github.com/filecoin-project/go-address" "github.com/filecoin-project/go-state-types/abi" "github.com/filecoin-project/go-state-types/crypto" vmr "github.com/filecoin-project/specs-actors/v7/actors/runtime" proof7 "github.com/filecoin-project/specs-actors/v7/actors/runtime/proof" "github.com/filecoin-project/lotus/build" ) type GasCharge struct { Name string Extra interface{} ComputeGas int64 StorageGas int64 VirtualCompute int64 VirtualStorage int64 } func (g GasCharge) Total() int64 { return g.ComputeGas + g.StorageGas } func (g GasCharge) WithVirtual(compute, storage int64) GasCharge { out := g out.VirtualCompute = compute out.VirtualStorage = storage return out } func (g GasCharge) WithExtra(extra interface{}) GasCharge { out := g out.Extra = extra return out } func newGasCharge(name string, computeGas int64, storageGas int64) GasCharge { return GasCharge{ Name: name, ComputeGas: computeGas, StorageGas: storageGas, } } // Pricelist provides prices for operations in the LegacyVM. // // Note: this interface should be APPEND ONLY since last chain checkpoint type Pricelist interface { // OnChainMessage returns the gas used for storing a message of a given size in the chain. OnChainMessage(msgSize int) GasCharge // OnChainReturnValue returns the gas used for storing the response of a message in the chain. OnChainReturnValue(dataSize int) GasCharge // OnMethodInvocation returns the gas used when invoking a method. OnMethodInvocation(value abi.TokenAmount, methodNum abi.MethodNum) GasCharge // OnIpldGet returns the gas used for storing an object OnIpldGet() GasCharge // OnIpldPut returns the gas used for storing an object OnIpldPut(dataSize int) GasCharge // OnCreateActor returns the gas used for creating an actor OnCreateActor() GasCharge // OnDeleteActor returns the gas used for deleting an actor OnDeleteActor() GasCharge OnVerifySignature(sigType crypto.SigType, planTextSize int) (GasCharge, error) OnHashing(dataSize int) GasCharge OnComputeUnsealedSectorCid(proofType abi.RegisteredSealProof, pieces []abi.PieceInfo) GasCharge OnVerifySeal(info proof7.SealVerifyInfo) GasCharge OnVerifyAggregateSeals(aggregate proof7.AggregateSealVerifyProofAndInfos) GasCharge OnVerifyReplicaUpdate(update proof7.ReplicaUpdateInfo) GasCharge OnVerifyPost(info proof7.WindowPoStVerifyInfo) GasCharge OnVerifyConsensusFault() GasCharge } // Prices are the price lists per starting epoch. Public for testing purposes // (concretely to allow the test vector runner to rebase prices). var Prices = map[abi.ChainEpoch]Pricelist{ abi.ChainEpoch(0): &pricelistV0{ computeGasMulti: 1, storageGasMulti: 1000, onChainMessageComputeBase: 38863, onChainMessageStorageBase: 36, onChainMessageStoragePerByte: 1, onChainReturnValuePerByte: 1, sendBase: 29233, sendTransferFunds: 27500, sendTransferOnlyPremium: 159672, sendInvokeMethod: -5377, ipldGetBase: 75242, ipldPutBase: 84070, ipldPutPerByte: 1, createActorCompute: 1108454, createActorStorage: 36 + 40, deleteActor: -(36 + 40), // -createActorStorage verifySignature: map[crypto.SigType]int64{ crypto.SigTypeBLS: 16598605, crypto.SigTypeSecp256k1: 1637292, }, hashingBase: 31355, computeUnsealedSectorCidBase: 98647, verifySealBase: 2000, // TODO gas , it VerifySeal syscall is not used verifyAggregateSealBase: 0, verifyPostLookup: map[abi.RegisteredPoStProof]scalingCost{ abi.RegisteredPoStProof_StackedDrgWindow512MiBV1: { flat: 123861062, scale: 9226981, }, abi.RegisteredPoStProof_StackedDrgWindow32GiBV1: { flat: 748593537, scale: 85639, }, abi.RegisteredPoStProof_StackedDrgWindow64GiBV1: { flat: 748593537, scale: 85639, }, }, verifyPostDiscount: true, verifyConsensusFault: 495422, }, abi.ChainEpoch(build.UpgradeCalicoHeight): &pricelistV0{ computeGasMulti: 1, storageGasMulti: 1300, onChainMessageComputeBase: 38863, onChainMessageStorageBase: 36, onChainMessageStoragePerByte: 1, onChainReturnValuePerByte: 1, sendBase: 29233, sendTransferFunds: 27500, sendTransferOnlyPremium: 159672, sendInvokeMethod: -5377, ipldGetBase: 114617, ipldPutBase: 353640, ipldPutPerByte: 1, createActorCompute: 1108454, createActorStorage: 36 + 40, deleteActor: -(36 + 40), // -createActorStorage verifySignature: map[crypto.SigType]int64{ crypto.SigTypeBLS: 16598605, crypto.SigTypeSecp256k1: 1637292, }, hashingBase: 31355, computeUnsealedSectorCidBase: 98647, verifySealBase: 2000, // TODO gas, it VerifySeal syscall is not used verifyAggregateSealPer: map[abi.RegisteredSealProof]int64{ abi.RegisteredSealProof_StackedDrg32GiBV1_1: 449900, abi.RegisteredSealProof_StackedDrg64GiBV1_1: 359272, }, verifyAggregateSealSteps: map[abi.RegisteredSealProof]stepCost{ abi.RegisteredSealProof_StackedDrg32GiBV1_1: { {4, 103994170}, {7, 112356810}, {13, 122912610}, {26, 137559930}, {52, 162039100}, {103, 210960780}, {205, 318351180}, {410, 528274980}, }, abi.RegisteredSealProof_StackedDrg64GiBV1_1: { {4, 102581240}, {7, 110803030}, {13, 120803700}, {26, 134642130}, {52, 157357890}, {103, 203017690}, {205, 304253590}, {410, 509880640}, }, }, verifyPostLookup: map[abi.RegisteredPoStProof]scalingCost{ abi.RegisteredPoStProof_StackedDrgWindow512MiBV1: { flat: 117680921, scale: 43780, }, abi.RegisteredPoStProof_StackedDrgWindow32GiBV1: { flat: 117680921, scale: 43780, }, abi.RegisteredPoStProof_StackedDrgWindow64GiBV1: { flat: 117680921, scale: 43780, }, }, verifyPostDiscount: false, verifyConsensusFault: 495422, verifyReplicaUpdate: 36316136, }, } // PricelistByEpoch finds the latest prices for the given epoch func PricelistByEpoch(epoch abi.ChainEpoch) Pricelist { // since we are storing the prices as map or epoch to price // we need to get the price with the highest epoch that is lower or equal to the `epoch` arg bestEpoch := abi.ChainEpoch(0) bestPrice := Prices[bestEpoch] for e, pl := range Prices { // if `e` happened after `bestEpoch` and `e` is earlier or equal to the target `epoch` if e > bestEpoch && e <= epoch { bestEpoch = e bestPrice = pl } } if bestPrice == nil { panic(fmt.Sprintf("bad setup: no gas prices available for epoch %d", epoch)) } return bestPrice } type pricedSyscalls struct { under vmr.Syscalls pl Pricelist chargeGas func(GasCharge) } // Verifies that a signature is valid for an address and plaintext. func (ps pricedSyscalls) VerifySignature(signature crypto.Signature, signer addr.Address, plaintext []byte) error { c, err := ps.pl.OnVerifySignature(signature.Type, len(plaintext)) if err != nil { return err } ps.chargeGas(c) defer ps.chargeGas(gasOnActorExec) return ps.under.VerifySignature(signature, signer, plaintext) } // Hashes input data using blake2b with 256 bit output. func (ps pricedSyscalls) HashBlake2b(data []byte) [32]byte { ps.chargeGas(ps.pl.OnHashing(len(data))) defer ps.chargeGas(gasOnActorExec) return ps.under.HashBlake2b(data) } // Computes an unsealed sector CID (CommD) from its constituent piece CIDs (CommPs) and sizes. func (ps pricedSyscalls) ComputeUnsealedSectorCID(reg abi.RegisteredSealProof, pieces []abi.PieceInfo) (cid.Cid, error) { ps.chargeGas(ps.pl.OnComputeUnsealedSectorCid(reg, pieces)) defer ps.chargeGas(gasOnActorExec) return ps.under.ComputeUnsealedSectorCID(reg, pieces) } // Verifies a sector seal proof. func (ps pricedSyscalls) VerifySeal(vi proof7.SealVerifyInfo) error { ps.chargeGas(ps.pl.OnVerifySeal(vi)) defer ps.chargeGas(gasOnActorExec) return ps.under.VerifySeal(vi) } // Verifies a proof of spacetime. func (ps pricedSyscalls) VerifyPoSt(vi proof7.WindowPoStVerifyInfo) error { ps.chargeGas(ps.pl.OnVerifyPost(vi)) defer ps.chargeGas(gasOnActorExec) return ps.under.VerifyPoSt(vi) } // Verifies that two block headers provide proof of a consensus fault: // - both headers mined by the same actor // - headers are different // - first header is of the same or lower epoch as the second // - at least one of the headers appears in the current chain at or after epoch `earliest` // - the headers provide evidence of a fault (see the spec for the different fault types). // The parameters are all serialized block headers. The third "extra" parameter is consulted only for // the "parent grinding fault", in which case it must be the sibling of h1 (same parent tipset) and one of the // blocks in the parent of h2 (i.e. h2's grandparent). // Returns nil and an error if the headers don't prove a fault. func (ps pricedSyscalls) VerifyConsensusFault(h1 []byte, h2 []byte, extra []byte) (*vmr.ConsensusFault, error) { ps.chargeGas(ps.pl.OnVerifyConsensusFault()) defer ps.chargeGas(gasOnActorExec) return ps.under.VerifyConsensusFault(h1, h2, extra) } func (ps pricedSyscalls) BatchVerifySeals(inp map[address.Address][]proof7.SealVerifyInfo) (map[address.Address][]bool, error) { count := int64(0) for _, svis := range inp { count += int64(len(svis)) } gasChargeSum := newGasCharge("BatchVerifySeals", 0, 0) gasChargeSum = gasChargeSum.WithExtra(count).WithVirtual(15075005*count+899741502, 0) ps.chargeGas(gasChargeSum) // real gas charged by actors defer ps.chargeGas(gasOnActorExec) return ps.under.BatchVerifySeals(inp) } func (ps pricedSyscalls) VerifyAggregateSeals(aggregate proof7.AggregateSealVerifyProofAndInfos) error { ps.chargeGas(ps.pl.OnVerifyAggregateSeals(aggregate)) defer ps.chargeGas(gasOnActorExec) return ps.under.VerifyAggregateSeals(aggregate) } func (ps pricedSyscalls) VerifyReplicaUpdate(update proof7.ReplicaUpdateInfo) error { ps.chargeGas(ps.pl.OnVerifyReplicaUpdate(update)) defer ps.chargeGas(gasOnActorExec) return ps.under.VerifyReplicaUpdate(update) }