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