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, } }