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73 lines
1.8 KiB
73 lines
1.8 KiB
package types
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import (
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"fmt"
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"golang.org/x/crypto/ripemd160"
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abci "github.com/tendermint/abci/types"
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wire "github.com/tendermint/go-wire"
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"github.com/tendermint/go-wire/data"
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"github.com/tendermint/tmlibs/merkle"
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)
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//-----------------------------------------------------------------------------
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// ABCIResult is the deterministic component of a ResponseDeliverTx.
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type ABCIResult struct {
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Code uint32 `json:"code"`
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Data data.Bytes `json:"data"`
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}
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// Hash returns the canonical json hash of the ABCIResult
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func (a ABCIResult) Hash() []byte {
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// stupid canonical json output, easy to check in any language
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bs := fmt.Sprintf(`{"code":%d,"data":"%s"}`, a.Code, a.Data)
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var hasher = ripemd160.New()
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hasher.Write([]byte(bs))
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return hasher.Sum(nil)
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}
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// ABCIResults wraps the deliver tx results to return a proof
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type ABCIResults []ABCIResult
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// NewResults creates ABCIResults from ResponseDeliverTx
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func NewResults(del []*abci.ResponseDeliverTx) ABCIResults {
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res := make(ABCIResults, len(del))
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for i, d := range del {
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res[i] = NewResultFromResponse(d)
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}
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return res
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}
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func NewResultFromResponse(response *abci.ResponseDeliverTx) ABCIResult {
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return ABCIResult{
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Code: response.Code,
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Data: response.Data,
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}
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}
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// Bytes serializes the ABCIResponse using go-wire
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func (a ABCIResults) Bytes() []byte {
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return wire.BinaryBytes(a)
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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.SimpleHashFromHashables(a.toHashables())
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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.SimpleProof {
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_, proofs := merkle.SimpleProofsFromHashables(a.toHashables())
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return *proofs[i]
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}
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func (a ABCIResults) toHashables() []merkle.Hashable {
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l := len(a)
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hashables := make([]merkle.Hashable, l)
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for i := 0; i < l; i++ {
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hashables[i] = a[i]
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}
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return hashables
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}
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