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events.go
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events.go
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package ibctesting
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
clienttypes "github.com/cosmos/ibc-go/modules/core/02-client/types"
connectiontypes "github.com/cosmos/ibc-go/modules/core/03-connection/types"
channeltypes "github.com/cosmos/ibc-go/modules/core/04-channel/types"
)
// ParseClientIDFromEvents parses events emitted from a MsgCreateClient and returns the
// client identifier.
func ParseClientIDFromEvents(events sdk.Events) (string, error) {
for _, ev := range events {
if ev.Type == clienttypes.EventTypeCreateClient {
for _, attr := range ev.Attributes {
if string(attr.Key) == clienttypes.AttributeKeyClientID {
return string(attr.Value), nil
}
}
}
}
return "", fmt.Errorf("client identifier event attribute not found")
}
// ParseConnectionIDFromEvents parses events emitted from a MsgConnectionOpenInit or
// MsgConnectionOpenTry and returns the connection identifier.
func ParseConnectionIDFromEvents(events sdk.Events) (string, error) {
for _, ev := range events {
if ev.Type == connectiontypes.EventTypeConnectionOpenInit ||
ev.Type == connectiontypes.EventTypeConnectionOpenTry {
for _, attr := range ev.Attributes {
if string(attr.Key) == connectiontypes.AttributeKeyConnectionID {
return string(attr.Value), nil
}
}
}
}
return "", fmt.Errorf("connection identifier event attribute not found")
}
// ParseChannelIDFromEvents parses events emitted from a MsgChannelOpenInit or
// MsgChannelOpenTry and returns the channel identifier.
func ParseChannelIDFromEvents(events sdk.Events) (string, error) {
for _, ev := range events {
if ev.Type == channeltypes.EventTypeChannelOpenInit || ev.Type == channeltypes.EventTypeChannelOpenTry {
for _, attr := range ev.Attributes {
if string(attr.Key) == channeltypes.AttributeKeyChannelID {
return string(attr.Value), nil
}
}
}
}
return "", fmt.Errorf("channel identifier event attribute not found")
}