56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
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package full
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import (
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"context"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/stmgr"
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"github.com/filecoin-project/lotus/chain/store"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/specs-actors/actors/runtime/exitcode"
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"go.uber.org/fx"
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"golang.org/x/xerrors"
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)
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type GasAPI struct {
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fx.In
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Stmgr *stmgr.StateManager
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Cs *store.ChainStore
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}
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const MinGasPrice = 1
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func (a *GasAPI) GasEstimateGasPrice(ctx context.Context, nblocksincl uint64,
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sender address.Address, gaslimit int64, tsk types.TipSetKey) (types.BigInt, error) {
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// TODO: something smarter obviously
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switch nblocksincl {
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case 0:
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return types.NewInt(MinGasPrice + 2), nil
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case 1:
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return types.NewInt(MinGasPrice + 1), nil
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default:
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return types.NewInt(MinGasPrice), nil
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}
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}
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func (a *GasAPI) GasEstimateGasLimit(ctx context.Context, msgIn *types.Message,
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tsk types.TipSetKey) (int64, error) {
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msg := &(*msgIn)
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msg.GasLimit = build.BlockGasLimit
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ts, err := a.Cs.GetTipSetFromKey(tsk)
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if err != nil {
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return -1, xerrors.Errorf("could not get tipset: %w", err)
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}
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res, err := a.Stmgr.CallWithGas(ctx, msg, ts)
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if res.MsgRct.ExitCode != exitcode.Ok {
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return -1, xerrors.Errorf("could not apply message: exit %s, reason: %s", res.MsgRct.ExitCode, res.Error)
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}
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return res.MsgRct.GasUsed, nil
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}
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