diff --git a/contracts/fixtures/memberships_fixture.json b/contracts/fixtures/memberships_fixture.json
index 7ac17de..404628f 100644
--- a/contracts/fixtures/memberships_fixture.json
+++ b/contracts/fixtures/memberships_fixture.json
@@ -1,10 +1,10 @@
 {
-  "trustedClientState": "0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000002dc55b000000000000000000000000000000000000000000000000000000000012750000000000000000000000000000000000000000000000000000000000001baf80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000076d6f6368612d3400000000000000000000000000000000000000000000000000",
-  "trustedConsensusState": "00000000000000000000000000000000000000000000000000000000671c5fbabb46d709a81d092fed68f31b2f1939ceeea4144a52c04555a14e8fbbadf00d5878ab69d7643ddd63c025de44e46191c475327fe5cc43f0b4ecd73bfe5c8baa36",
-  "updateClientVkey": "0x00eb2083fbdbb910c4eaab86890e92a3e11deebe26c7380ab434540738000dd1",
-  "membershipVkey": "0x003209f1bf3c8ae79092f83e53ca32a2cb5dbbc3a07b38e194b625450dd8a05d",
-  "ucAndMembershipVkey": "0x005309564fc62917614e1c340e342d0f61b45aa2895595e92832b2eddf45fc89",
-  "misbehaviourVkey": "0x0062b4336b37fc39c42ca0e51e42b2fc58ae79337ce2fca10203907d38e6170e",
-  "proofHeight": "000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000002dc55b",
-  "membershipProof": "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"
+  "trustedClientState": "0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000002e8888000000000000000000000000000000000000000000000000000000000012750000000000000000000000000000000000000000000000000000000000001baf80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000076d6f6368612d3400000000000000000000000000000000000000000000000000",
+  "trustedConsensusState": "000000000000000000000000000000000000000000000000000000006725a98d0abbde8dbb182098f9f08db967904771dff53ba4a5dc13e93a2574bbeea4b8a24147b8cb4cff65685f01a2398bf76ed3a5eb409c5b796d685271469f106ea6cb",
+  "updateClientVkey": "0x0058b7643092abdce2dc75a47edef881996a5364849493f288bec2705a6e9f03",
+  "membershipVkey": "0x00c80749d48831352ad92fc58779c3ab38c1ed5f7db1fd8bd6c029da59855a36",
+  "ucAndMembershipVkey": "0x0020d0cbc9d739da4c4315159cc8e7293e0bf37805ed9abac135ece2e8dd4277",
+  "misbehaviourVkey": "0x00ee502921248a6f7de906d33f7891bb4ecdcdacd5de9c2c0aebf7c6cc0c315d",
+  "proofHeight": "000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000002e8888",
+  "membershipProof": "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"
 }
\ No newline at end of file
diff --git a/contracts/fixtures/misbehaviour_breaking_time_monotonicity_fixture.json b/contracts/fixtures/misbehaviour_breaking_time_monotonicity_fixture.json
index dfbccd6..6c5f293 100644
--- a/contracts/fixtures/misbehaviour_breaking_time_monotonicity_fixture.json
+++ b/contracts/fixtures/misbehaviour_breaking_time_monotonicity_fixture.json
@@ -1,9 +1,9 @@
 {
   "trustedClientState": "00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000012754500000000000000000000000000000000000000000000000000000000001baf800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000673696d642d310000000000000000000000000000000000000000000000000000",
-  "trustedConsensusState": "00000000000000000000000000000000000000000000000000000000671c67a42b4d03ced67e382e78e786820aea29498f251bc61b71bee21ebf9a14dee248d9a1fdfeefbb06d2883c73a91ae33e23638bfb99a520597b147dc84a65ad70c999",
-  "updateClientVkey": "0x00eb2083fbdbb910c4eaab86890e92a3e11deebe26c7380ab434540738000dd1",
-  "membershipVkey": "0x003209f1bf3c8ae79092f83e53ca32a2cb5dbbc3a07b38e194b625450dd8a05d",
-  "ucAndMembershipVkey": "0x005309564fc62917614e1c340e342d0f61b45aa2895595e92832b2eddf45fc89",
-  "misbehaviourVkey": "0x0062b4336b37fc39c42ca0e51e42b2fc58ae79337ce2fca10203907d38e6170e",
-  "submitMsg": "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"
+  "trustedConsensusState": "000000000000000000000000000000000000000000000000000000006725b074a9fc76f14a4110e0d2533c005bfaffcd543186f31e62cefdb06e5dce103f9b398334aeba32a15b1c07651f392d5c9a808dd9d5d90df1b0de774e8726ed26c304",
+  "updateClientVkey": "0x0058b7643092abdce2dc75a47edef881996a5364849493f288bec2705a6e9f03",
+  "membershipVkey": "0x00c80749d48831352ad92fc58779c3ab38c1ed5f7db1fd8bd6c029da59855a36",
+  "ucAndMembershipVkey": "0x0020d0cbc9d739da4c4315159cc8e7293e0bf37805ed9abac135ece2e8dd4277",
+  "misbehaviourVkey": "0x00ee502921248a6f7de906d33f7891bb4ecdcdacd5de9c2c0aebf7c6cc0c315d",
+  "submitMsg": "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"
 }
diff --git a/contracts/fixtures/misbehaviour_double_sign_fixture.json b/contracts/fixtures/misbehaviour_double_sign_fixture.json
index 1f37a3a..57f2ae0 100644
--- a/contracts/fixtures/misbehaviour_double_sign_fixture.json
+++ b/contracts/fixtures/misbehaviour_double_sign_fixture.json
@@ -1,9 +1,9 @@
 {
-  "trustedClientState": "00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000030000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000b000000000000000000000000000000000000000000000000000000000012754500000000000000000000000000000000000000000000000000000000001baf800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000673696d642d310000000000000000000000000000000000000000000000000000",
-  "trustedConsensusState": "00000000000000000000000000000000000000000000000000000000671c66d7b0a2616dcde6d1073943e12437278f8686cf8a699c8fdff7acf46407a63a083becb2f0dd8fd1213e806cd8059c7ff109b3c08649981575c8d18879235992d52e",
-  "updateClientVkey": "0x00eb2083fbdbb910c4eaab86890e92a3e11deebe26c7380ab434540738000dd1",
-  "membershipVkey": "0x003209f1bf3c8ae79092f83e53ca32a2cb5dbbc3a07b38e194b625450dd8a05d",
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-  "misbehaviourVkey": "0x0062b4336b37fc39c42ca0e51e42b2fc58ae79337ce2fca10203907d38e6170e",
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 }
diff --git a/contracts/fixtures/uc_and_memberships_fixture.json b/contracts/fixtures/uc_and_memberships_fixture.json
index 1f4f29c..6ef8683 100644
--- a/contracts/fixtures/uc_and_memberships_fixture.json
+++ b/contracts/fixtures/uc_and_memberships_fixture.json
@@ -1,10 +1,10 @@
 {
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-  "membershipVkey": "0x003209f1bf3c8ae79092f83e53ca32a2cb5dbbc3a07b38e194b625450dd8a05d",
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+  "membershipVkey": "0x00c80749d48831352ad92fc58779c3ab38c1ed5f7db1fd8bd6c029da59855a36",
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+  "misbehaviourVkey": "0x00ee502921248a6f7de906d33f7891bb4ecdcdacd5de9c2c0aebf7c6cc0c315d",
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+  "membershipProof": 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 }
\ No newline at end of file
diff --git a/contracts/fixtures/union_membership_fixture.json b/contracts/fixtures/union_membership_fixture.json
index b0e7020..f93bd8e 100644
--- a/contracts/fixtures/union_membership_fixture.json
+++ b/contracts/fixtures/union_membership_fixture.json
@@ -1,10 +1,10 @@
 {
-  "trustedClientState": "0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000002dc55b000000000000000000000000000000000000000000000000000000000012750000000000000000000000000000000000000000000000000000000000001baf80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000076d6f6368612d3400000000000000000000000000000000000000000000000000",
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-  "membershipVkey": "0x003209f1bf3c8ae79092f83e53ca32a2cb5dbbc3a07b38e194b625450dd8a05d",
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 }
\ No newline at end of file
diff --git a/contracts/fixtures/union_nonmembership_fixture.json b/contracts/fixtures/union_nonmembership_fixture.json
index 40c0a7b..84d51cb 100644
--- a/contracts/fixtures/union_nonmembership_fixture.json
+++ b/contracts/fixtures/union_nonmembership_fixture.json
@@ -1,10 +1,10 @@
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 }
\ No newline at end of file
diff --git a/contracts/fixtures/update_client_fixture.json b/contracts/fixtures/update_client_fixture.json
index 6d93672..2305f31 100644
--- a/contracts/fixtures/update_client_fixture.json
+++ b/contracts/fixtures/update_client_fixture.json
@@ -1,11 +1,11 @@
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\ No newline at end of file