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msg.go
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msg.go
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package tendermint
import (
"encoding/hex"
"errors"
"fmt"
"strconv"
"time"
sdk "github.com/cosmos/cosmos-sdk/types"
clienttypes "github.com/cosmos/ibc-go/v7/modules/core/02-client/types"
conntypes "github.com/cosmos/ibc-go/v7/modules/core/03-connection/types"
chantypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
"github.com/hyperledger-labs/yui-relayer/core"
)
var (
_ core.MsgID = (*MsgID)(nil)
_ core.MsgResult = (*MsgResult)(nil)
)
func (*MsgID) Is_MsgID() {}
type MsgResult struct {
height clienttypes.Height
// These show the status of the tx that contains the message.
// It should be noted that the cause of the failure can be a different message.
txStatus bool
txFailureReason string
events []core.MsgEventLog
}
func (r *MsgResult) BlockHeight() clienttypes.Height {
return r.height
}
func (r *MsgResult) Status() (bool, string) {
return r.txStatus, r.txFailureReason
}
func (r *MsgResult) Events() []core.MsgEventLog {
return r.events
}
func parseMsgEventLogs(logs sdk.ABCIMessageLogs, msgIndex uint32) ([]core.MsgEventLog, error) {
var msgEventLogs []core.MsgEventLog
for _, log := range logs {
if msgIndex == log.MsgIndex {
for _, ev := range log.Events {
event, err := parseMsgEventLog(ev)
if err != nil {
return nil, fmt.Errorf("failed to parse msg event log: %v", err)
}
msgEventLogs = append(msgEventLogs, event)
}
}
}
return msgEventLogs, nil
}
func parseMsgEventLog(ev sdk.StringEvent) (core.MsgEventLog, error) {
switch ev.Type {
case clienttypes.EventTypeCreateClient:
clientID, err := getAttributeString(ev, clienttypes.AttributeKeyClientID)
if err != nil {
return nil, err
}
return &core.EventGenerateClientIdentifier{ID: clientID}, nil
case conntypes.EventTypeConnectionOpenInit, conntypes.EventTypeConnectionOpenTry:
connectionID, err := getAttributeString(ev, conntypes.AttributeKeyConnectionID)
if err != nil {
return nil, err
}
return &core.EventGenerateConnectionIdentifier{ID: connectionID}, nil
case chantypes.EventTypeChannelOpenInit, chantypes.EventTypeChannelOpenTry:
channelID, err := getAttributeString(ev, chantypes.AttributeKeyChannelID)
if err != nil {
return nil, err
}
return &core.EventGenerateChannelIdentifier{ID: channelID}, nil
case chantypes.EventTypeSendPacket:
var event core.EventSendPacket
var err0, err1, err2, err3, err4, err5 error
event.Sequence, err0 = getAttributeUint64(ev, chantypes.AttributeKeySequence)
event.SrcPort, err1 = getAttributeString(ev, chantypes.AttributeKeySrcPort)
event.SrcChannel, err2 = getAttributeString(ev, chantypes.AttributeKeySrcChannel)
event.TimeoutHeight, err3 = getAttributeHeight(ev, chantypes.AttributeKeyTimeoutHeight)
event.TimeoutTimestamp, err4 = getAttributeTimestamp(ev, chantypes.AttributeKeyTimeoutTimestamp)
event.Data, err5 = getAttributeBytes(ev, chantypes.AttributeKeyDataHex)
if err := errors.Join(err0, err1, err2, err3, err4, err5); err != nil {
return nil, err
}
return &event, nil
case chantypes.EventTypeRecvPacket:
var event core.EventRecvPacket
var err0, err1, err2, err3, err4, err5 error
event.Sequence, err0 = getAttributeUint64(ev, chantypes.AttributeKeySequence)
event.DstPort, err1 = getAttributeString(ev, chantypes.AttributeKeyDstPort)
event.DstChannel, err2 = getAttributeString(ev, chantypes.AttributeKeyDstChannel)
event.TimeoutHeight, err3 = getAttributeHeight(ev, chantypes.AttributeKeyTimeoutHeight)
event.TimeoutTimestamp, err4 = getAttributeTimestamp(ev, chantypes.AttributeKeyTimeoutTimestamp)
event.Data, err5 = getAttributeBytes(ev, chantypes.AttributeKeyDataHex)
if err := errors.Join(err0, err1, err2, err3, err4, err5); err != nil {
return nil, err
}
return &event, nil
case chantypes.EventTypeWriteAck:
var event core.EventWriteAcknowledgement
var err0, err1, err2, err3 error
event.Sequence, err0 = getAttributeUint64(ev, chantypes.AttributeKeySequence)
event.DstPort, err1 = getAttributeString(ev, chantypes.AttributeKeyDstPort)
event.DstChannel, err2 = getAttributeString(ev, chantypes.AttributeKeyDstChannel)
event.Acknowledgement, err3 = getAttributeBytes(ev, chantypes.AttributeKeyAckHex)
if err := errors.Join(err0, err1, err2, err3); err != nil {
return nil, err
}
return &event, nil
case chantypes.EventTypeAcknowledgePacket:
var event core.EventAcknowledgePacket
var err0, err1, err2, err3, err4 error
event.Sequence, err0 = getAttributeUint64(ev, chantypes.AttributeKeySequence)
event.SrcPort, err1 = getAttributeString(ev, chantypes.AttributeKeySrcPort)
event.SrcChannel, err2 = getAttributeString(ev, chantypes.AttributeKeySrcChannel)
event.TimeoutHeight, err3 = getAttributeHeight(ev, chantypes.AttributeKeyTimeoutHeight)
event.TimeoutTimestamp, err4 = getAttributeTimestamp(ev, chantypes.AttributeKeyTimeoutTimestamp)
if err := errors.Join(err0, err1, err2, err3, err4); err != nil {
return nil, err
}
return &event, nil
default:
return &core.EventUnknown{Value: ev}, nil
}
}
func getAttributeString(ev sdk.StringEvent, key string) (string, error) {
for _, attr := range ev.Attributes {
if attr.Key == key {
return attr.Value, nil
}
}
return "", fmt.Errorf("failed to find attribute of key %q", key)
}
func getAttributeBytes(ev sdk.StringEvent, key string) ([]byte, error) {
v, err := getAttributeString(ev, key)
if err != nil {
return nil, err
}
bz, err := hex.DecodeString(v)
if err != nil {
return nil, fmt.Errorf("failed to decode hex string: %v", err)
}
return bz, nil
}
func getAttributeHeight(ev sdk.StringEvent, key string) (clienttypes.Height, error) {
v, err := getAttributeString(ev, key)
if err != nil {
return clienttypes.Height{}, err
}
height, err := clienttypes.ParseHeight(v)
if err != nil {
return clienttypes.Height{}, fmt.Errorf("failed to parse height: %v", err)
}
return height, nil
}
func getAttributeUint64(ev sdk.StringEvent, key string) (uint64, error) {
v, err := getAttributeString(ev, key)
if err != nil {
return 0, err
}
d, err := strconv.ParseUint(v, 10, 64)
if err != nil {
return 0, fmt.Errorf("failed to parse uint: %v", err)
}
return d, nil
}
func getAttributeTimestamp(ev sdk.StringEvent, key string) (time.Time, error) {
d, err := getAttributeUint64(ev, key)
if err != nil {
return time.Time{}, err
}
return time.Unix(0, int64(d)), nil
}