75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
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package miner
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import (
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"context"
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"github.com/ipfs/go-cid"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/specs-actors/actors/abi"
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"github.com/filecoin-project/specs-actors/actors/builtin"
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)
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const failedGasGuessRatio = 0.5
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const failedGasGuessMax = 25_000_000
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type costKey struct {
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code cid.Cid
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m abi.MethodNum
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}
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var costs = map[costKey]int64{
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{builtin.InitActorCodeID, 2}: 8916753,
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{builtin.StorageMarketActorCodeID, 2}: 6955002,
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{builtin.StorageMarketActorCodeID, 4}: 245436108,
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{builtin.StorageMinerActorCodeID, 4}: 2315133,
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{builtin.StorageMinerActorCodeID, 5}: 1600271356,
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{builtin.StorageMinerActorCodeID, 6}: 22864493,
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{builtin.StorageMinerActorCodeID, 7}: 142002419,
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{builtin.StorageMinerActorCodeID, 10}: 23008274,
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{builtin.StorageMinerActorCodeID, 11}: 19303178,
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{builtin.StorageMinerActorCodeID, 14}: 566356835,
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{builtin.StorageMinerActorCodeID, 16}: 5325185,
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{builtin.StorageMinerActorCodeID, 18}: 2328637,
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{builtin.StoragePowerActorCodeID, 2}: 23600956,
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}
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func failedGuess(msg *types.SignedMessage) int64 {
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guess := int64(float64(msg.Message.GasLimit) * failedGasGuessRatio)
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if guess > failedGasGuessMax {
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guess = failedGasGuessMax
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}
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return guess
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}
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func GuessGasUsed(ctx context.Context, tsk types.TipSetKey, msg *types.SignedMessage, al ActorLookup) (int64, error) {
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if msg.Message.Method == builtin.MethodSend {
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switch msg.Message.From.Protocol() {
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case address.BLS:
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return 1298450, nil
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case address.SECP256K1:
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return 1385999, nil
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default:
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// who knows?
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return 1298450, nil
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}
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}
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to, err := al(ctx, msg.Message.To, tsk)
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if err != nil {
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return failedGuess(msg), xerrors.Errorf("could not lookup actor: %w", err)
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}
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guess, ok := costs[costKey{to.Code, msg.Message.Method}]
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if !ok {
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return failedGuess(msg), xerrors.Errorf("unknown code-method combo")
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}
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if guess > msg.Message.GasLimit {
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guess = msg.Message.GasLimit
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}
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return guess, nil
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}
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