build(deps): use Agoric ibc-go/v4 with async version negotiation

golang/cosmos/go.mod

@@ -160,6 +160,9 @@ replace github.com/tendermint/tendermint => github.com/agoric-labs/cometbft v0.3
 // We need a fork of cosmos-sdk until all of the differences are merged.
 replace github.com/cosmos/cosmos-sdk => github.com/agoric-labs/cosmos-sdk v0.45.16-alpha.agoric.3
 
+// A version of IBC-go that works with the forked cosmos-sdk.
+replace github.com/cosmos/ibc-go/v4 => github.com/agoric-labs/ibc-go/v4 v4.5.1-alpha.agoric.1
+
 // For testing against a local cosmos-sdk or tendermint
 // replace github.com/cosmos/cosmos-sdk => ../../../forks/cosmos-sdk
 // replace github.com/tendermint/tendermint => ../../../forks/tendermint

golang/cosmos/go.sum

@@ -97,6 +97,8 @@ github.com/agoric-labs/cosmos-sdk v0.45.16-alpha.agoric.3 h1:kEcWMDCGVHOrk9FBvHP
 github.com/agoric-labs/cosmos-sdk v0.45.16-alpha.agoric.3/go.mod h1:T0VCPrAAeps81/pnD8b0+oBCMDxrkrD48W1t/XYYUeI=
 github.com/agoric-labs/cosmos-sdk/ics23/go v0.8.0-alpha.agoric.1 h1:2jvHI/2d+psWAZy6FQ0vXJCHUtfU3ZbbW+pQFL04arQ=
 github.com/agoric-labs/cosmos-sdk/ics23/go v0.8.0-alpha.agoric.1/go.mod h1:E45NqnlpxGnpfTWL/xauN7MRwEE28T4Dd4uraToOaKg=
+github.com/agoric-labs/ibc-go/v4 v4.5.1-alpha.agoric.1 h1:q2/ASIMtwLINCPiXUW05C3qkWnHGZsYcEuekc2he2Zc=
+github.com/agoric-labs/ibc-go/v4 v4.5.1-alpha.agoric.1/go.mod h1:wpSFiwAuqvZsJhjz1E0osA1vOHGfn+pWNC/9bPUaBl4=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 github.com/alecthomas/participle/v2 v2.0.0-alpha7 h1:cK4vjj0VSgb3lN1nuKA5F7dw+1s1pWBe5bx7nNCnN+c=
@@ -233,8 +235,6 @@ github.com/cosmos/gorocksdb v1.2.0 h1:d0l3jJG8M4hBouIZq0mDUHZ+zjOx044J3nGRskwTb4
 github.com/cosmos/gorocksdb v1.2.0/go.mod h1:aaKvKItm514hKfNJpUJXnnOWeBnk2GL4+Qw9NHizILw=
 github.com/cosmos/iavl v0.19.5 h1:rGA3hOrgNxgRM5wYcSCxgQBap7fW82WZgY78V9po/iY=
 github.com/cosmos/iavl v0.19.5/go.mod h1:X9PKD3J0iFxdmgNLa7b2LYWdsGd90ToV5cAONApkEPw=
-github.com/cosmos/ibc-go/v4 v4.5.1 h1:+P73X7aIikGAXBUJ9vP9rEbvdSuekt3KGXmAWCSYets=
-github.com/cosmos/ibc-go/v4 v4.5.1/go.mod h1:2EOi40Bx/j6rJrtP1ui8k8yUAMpGybmL1EjakYqYv5U=
 github.com/cosmos/keyring v1.2.0 h1:8C1lBP9xhImmIabyXW4c3vFjjLiBdGCmfLUfeZlV1Yo=
 github.com/cosmos/keyring v1.2.0/go.mod h1:fc+wB5KTk9wQ9sDx0kFXB3A0MaeGHM9AwRStKOQ5vOA=
 github.com/cosmos/ledger-cosmos-go v0.12.2 h1:/XYaBlE2BJxtvpkHiBm97gFGSGmYGKunKyF3nNqAXZA=

golang/cosmos/x/vibc/types/ibc_module.go

@@ -19,7 +19,7 @@ import (
 // ibc-go implementation supports returning an empty string for the version in
 // OnChanOpenTry, then having the VM explicitly call the WriteOpenTryChannel
 // method itself.
-const AsyncVersionNegotiation = false
+const AsyncVersionNegotiation = true
 
 var (
 	_ porttypes.IBCModule = IBCModule{}