use patched iavl version to prevent app hash

go.mod

@@ -223,6 +223,8 @@ replace (
 	github.com/cometbft/cometbft-db => github.com/kava-labs/cometbft-db v0.9.1-kava.2
 	// Use cosmos-sdk fork with backported fix for unsafe-reset-all, staking transfer events, and custom tally handler support
 	github.com/cosmos/cosmos-sdk => github.com/kava-labs/cosmos-sdk v0.47.10-kava.2
+	// use patched iavl v1 to see if it solves v0.26 upgrade block app hash
+	github.com/cosmos/iavl => github.com/kava-labs/iavl v1.0.1-0.20240424201543-6db50239f44d
 	// See https://github.com/cosmos/cosmos-sdk/pull/13093
 	github.com/dgrijalva/jwt-go => github.com/golang-jwt/jwt/v4 v4.4.2
 	// Use ethermint fork that respects min-gas-price with NoBaseFee true and london enabled, and includes eip712 support

go.sum

@@ -422,8 +422,6 @@ github.com/cosmos/gogogateway v1.2.0/go.mod h1:iQpLkGWxYcnCdz5iAdLcRBSw3h7NXeOkZ
 github.com/cosmos/gogoproto v1.4.2/go.mod h1:cLxOsn1ljAHSV527CHOtaIP91kK6cCrZETRBrkzItWU=
 github.com/cosmos/gogoproto v1.4.10 h1:QH/yT8X+c0F4ZDacDv3z+xE3WU1P1Z3wQoLMBRJoKuI=
 github.com/cosmos/gogoproto v1.4.10/go.mod h1:3aAZzeRWpAwr+SS/LLkICX2/kDFyaYVzckBDzygIxek=
-github.com/cosmos/iavl v1.0.0 h1:bw6t0Mv/mVCJvlMTOPHWLs5uUE3BRBfVWCRelOzl+so=
-github.com/cosmos/iavl v1.0.0/go.mod h1:CmTGqMnRnucjxbjduneZXT+0vPgNElYvdefjX2q9tYc=
 github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v7 v7.1.3 h1:MZGDMETv72suFpTAD6VPGqSIm1FJcChtk2HmVh9D+Bo=
 github.com/cosmos/ibc-apps/middleware/packet-forward-middleware/v7 v7.1.3/go.mod h1:UvDmcGIWJPIytq+Q78/ff5NTOsuX/7IrNgEugTW5i0s=
 github.com/cosmos/ibc-go/v7 v7.4.0 h1:8FqYMptvksgMvlbN4UW9jFxTXzsPyfAzEZurujXac8M=
@@ -891,6 +889,8 @@ github.com/kava-labs/cosmos-sdk v0.47.10-kava.2 h1:S7NLuxlZLs3ZCBnRO0MKCrk2ycE2m
 github.com/kava-labs/cosmos-sdk v0.47.10-kava.2/go.mod h1:cHG71LpN66kix5O1B7MdK1ePeXCNk0xBMWEJRzkoAc8=
 github.com/kava-labs/ethermint v0.21.0-kava-v26.3 h1:25fl1iNjI+eESaF4AlCpIXBn9YNPlLLjOfwe+HHAp8M=
 github.com/kava-labs/ethermint v0.21.0-kava-v26.3/go.mod h1:4nqiVLy8H8UFtgpnmNwX+bbh5QMGLALZ0awUZLCOCMo=
+github.com/kava-labs/iavl v1.0.1-0.20240424201543-6db50239f44d h1:TY6t8VJE6MqWboTpWIxEcwnZZX6+79akbvVzWeiMzAQ=
+github.com/kava-labs/iavl v1.0.1-0.20240424201543-6db50239f44d/go.mod h1:CmTGqMnRnucjxbjduneZXT+0vPgNElYvdefjX2q9tYc=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=