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query.go
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query.go
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package core
import (
clienttypes "github.com/cosmos/ibc-go/modules/core/02-client/types"
conntypes "github.com/cosmos/ibc-go/modules/core/03-connection/types"
chantypes "github.com/cosmos/ibc-go/modules/core/04-channel/types"
ibcexported "github.com/cosmos/ibc-go/modules/core/exported"
"golang.org/x/sync/errgroup"
)
// QueryClientStatePair returns a pair of connection responses
func QueryClientStatePair(
src, dst IBCProvableQuerierI,
srch, dsth int64) (srcCsRes, dstCsRes *clienttypes.QueryClientStateResponse, err error) {
var eg = new(errgroup.Group)
eg.Go(func() error {
srcCsRes, err = src.QueryClientStateWithProof(srch)
return err
})
eg.Go(func() error {
dstCsRes, err = dst.QueryClientStateWithProof(dsth)
return err
})
err = eg.Wait()
return
}
// QueryConnectionPair returns a pair of connection responses
func QueryConnectionPair(
src, dst IBCProvableQuerierI,
srcH, dstH int64) (srcConn, dstConn *conntypes.QueryConnectionResponse, err error) {
var eg = new(errgroup.Group)
eg.Go(func() error {
srcConn, err = src.QueryConnectionWithProof(srcH)
return err
})
eg.Go(func() error {
dstConn, err = dst.QueryConnectionWithProof(dstH)
return err
})
err = eg.Wait()
return
}
// QueryChannelPair returns a pair of channel responses
func QueryChannelPair(src, dst IBCProvableQuerierI, srcH, dstH int64) (srcChan, dstChan *chantypes.QueryChannelResponse, err error) {
var eg = new(errgroup.Group)
eg.Go(func() error {
srcChan, err = src.QueryChannelWithProof(srcH)
return err
})
eg.Go(func() error {
dstChan, err = dst.QueryChannelWithProof(dstH)
return err
})
err = eg.Wait()
return
}
// QueryClientConsensusStatePair allows for the querying of multiple client states at the same time
func QueryClientConsensusStatePair(
src, dst IBCProvableQuerierI,
srch, dsth int64, srcClientConsH,
dstClientConsH ibcexported.Height) (srcCsRes, dstCsRes *clienttypes.QueryConsensusStateResponse, err error) {
var eg = new(errgroup.Group)
eg.Go(func() error {
srcCsRes, err = src.QueryClientConsensusStateWithProof(srch, srcClientConsH)
return err
})
eg.Go(func() error {
dstCsRes, err = dst.QueryClientConsensusStateWithProof(dsth, dstClientConsH)
return err
})
err = eg.Wait()
return
}