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55 lines
1.5 KiB
55 lines
1.5 KiB
package types
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import (
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/crypto/merkle"
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)
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// ABCIResults wraps the deliver tx results to return a proof.
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type ABCIResults []*abci.ResponseDeliverTx
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// NewResults strips non-deterministic fields from ResponseDeliverTx responses
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// and returns ABCIResults.
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func NewResults(responses []*abci.ResponseDeliverTx) ABCIResults {
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res := make(ABCIResults, len(responses))
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for i, d := range responses {
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res[i] = deterministicResponseDeliverTx(d)
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}
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return res
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}
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// Hash returns a merkle hash of all results.
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func (a ABCIResults) Hash() []byte {
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return merkle.HashFromByteSlices(a.toByteSlices())
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}
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// ProveResult returns a merkle proof of one result from the set
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func (a ABCIResults) ProveResult(i int) merkle.Proof {
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_, proofs := merkle.ProofsFromByteSlices(a.toByteSlices())
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return *proofs[i]
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}
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func (a ABCIResults) toByteSlices() [][]byte {
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l := len(a)
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bzs := make([][]byte, l)
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for i := 0; i < l; i++ {
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bz, err := a[i].Marshal()
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if err != nil {
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panic(err)
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}
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bzs[i] = bz
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}
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return bzs
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}
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// deterministicResponseDeliverTx strips non-deterministic fields from
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// ResponseDeliverTx and returns another ResponseDeliverTx.
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func deterministicResponseDeliverTx(response *abci.ResponseDeliverTx) *abci.ResponseDeliverTx {
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return &abci.ResponseDeliverTx{
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Code: response.Code,
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Data: response.Data,
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GasWanted: response.GasWanted,
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GasUsed: response.GasUsed,
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Events: response.Events,
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}
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}
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