65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
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package validation
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import (
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"context"
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vchain "github.com/filecoin-project/chain-validation/pkg/chain"
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vstate "github.com/filecoin-project/chain-validation/pkg/state"
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"github.com/filecoin-project/lotus/chain/address"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/vm"
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)
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// Applier applies messages to state trees and storage.
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type Applier struct {
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}
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var _ vchain.Applier = &Applier{}
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func NewApplier() *Applier {
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return &Applier{}
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}
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func (a *Applier) ApplyMessage(eCtx *vchain.ExecutionContext, state vstate.Wrapper, message interface{}) (vchain.MessageReceipt, error) {
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ctx := context.TODO()
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st := state.(*StateWrapper)
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base := st.Cid()
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randSrc := &vmRand{eCtx}
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minerAddr, err := address.NewFromBytes([]byte(eCtx.MinerOwner))
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if err != nil {
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return vchain.MessageReceipt{}, err
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}
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lotusVM, err := vm.NewVM(base, eCtx.Epoch, randSrc, minerAddr, st.bs)
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if err != nil {
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return vchain.MessageReceipt{}, err
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}
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ret, err := lotusVM.ApplyMessage(ctx, message.(*types.Message))
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if err != nil {
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return vchain.MessageReceipt{}, err
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}
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st.stateRoot, err = lotusVM.Flush(ctx)
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if err != nil {
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return vchain.MessageReceipt{}, err
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}
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mr := vchain.MessageReceipt{
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ExitCode: ret.ExitCode,
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ReturnValue: ret.Return,
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GasUsed: vstate.GasUnit(ret.GasUsed.Uint64()),
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}
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return mr, nil
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}
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type vmRand struct {
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eCtx *vchain.ExecutionContext
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}
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func (*vmRand) GetRandomness(ctx context.Context, h int64) ([]byte, error) {
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panic("implement me")
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}
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