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fabric.go
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fabric.go
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package testing
import (
"fmt"
"strconv"
"strings"
clienttypes "github.com/cosmos/cosmos-sdk/x/ibc/core/02-client/types"
host "github.com/cosmos/cosmos-sdk/x/ibc/core/24-host"
"github.com/datachainlab/fabric-ibc/chaincode"
"github.com/datachainlab/fabric-ibc/commitment"
"github.com/datachainlab/fabric-ibc/tests"
fabrictypes "github.com/datachainlab/fabric-ibc/x/ibc/light-clients/xx-fabric/types"
"github.com/hyperledger/fabric-contract-api-go/contractapi"
)
func endorseCommitment(ctx contractapi.TransactionContextInterface, chain *TestChain, entry *commitment.CommitmentEntry) (*fabrictypes.CommitmentProof, error) {
e, err := commitment.EntryFromCommitment(entry)
if err != nil {
return nil, err
}
return tests.MakeCommitmentProof(chain.endorser, e.Key, e.Value)
}
func queryEndorseCommitment(ctx contractapi.TransactionContextInterface, chain *TestChain, key []byte) ([]byte, error) {
e, err := queryCommitment(ctx, chain.CC, key)
if err != nil {
return nil, err
}
c, err := endorseCommitment(ctx, chain, e)
if err != nil {
return nil, err
}
return chain.App.AppCodec().MarshalBinaryBare(c)
}
func queryCommitment(ctx contractapi.TransactionContextInterface, cc *chaincode.IBCChaincode, key []byte) (*commitment.CommitmentEntry, error) {
k := string(key)
parts := strings.Split(k, "/")
if strings.HasSuffix(k, "/"+string(host.KeyClientState())) {
clientID := parts[1]
return cc.EndorseClientState(ctx, clientID)
} else if strings.HasPrefix(k, string(host.KeyConnectionPrefix)+"/") {
connectionID := parts[1]
return cc.EndorseConnectionState(ctx, connectionID)
} else if strings.HasPrefix(k, string(host.KeyClientStorePrefix)) && strings.Contains(k, string(host.KeyConsensusStatesPrefix)+"/") {
clientID := parts[1]
height, err := clienttypes.ParseHeight(parts[3])
if err != nil {
return nil, err
}
return cc.EndorseConsensusStateCommitment(ctx, clientID, height.VersionHeight)
} else if strings.HasPrefix(k, host.KeyChannelPrefix+"/") {
portID := parts[2]
channelID := parts[4]
return cc.EndorseChannelState(ctx, portID, channelID)
} else if strings.HasPrefix(k, host.KeyPacketCommitmentPrefix+"/") {
portID := parts[2]
channelID := parts[4]
seq, err := strconv.Atoi(parts[6])
if err != nil {
return nil, err
}
return cc.EndorsePacketCommitment(ctx, portID, channelID, uint64(seq))
} else if strings.HasPrefix(k, host.KeyPacketAckPrefix+"/") {
portID := parts[2]
channelID := parts[4]
seq, err := strconv.Atoi(parts[6])
if err != nil {
return nil, err
}
return cc.EndorsePacketAcknowledgement(ctx, portID, channelID, uint64(seq))
} else {
return nil, fmt.Errorf("unknown key: '%v'", k)
}
}