Support for LMSig field, including proper multisig resolution at write time and transaction filtering/serving via API.

Author: gmalouf

api/converter_utils.go

@@ -185,10 +185,11 @@ func lsigToTransactionLsig(lsig sdk.LogicSig) *generated.TransactionSignatureLog
 	}
 
 	ret := generated.TransactionSignatureLogicsig{
-		Args:              &args,
-		Logic:             lsig.Logic,
-		MultisigSignature: msigToTransactionMsig(lsig.Msig),
-		Signature:         sigToTransactionSig(lsig.Sig),
+		Args:                   &args,
+		Logic:                  lsig.Logic,
+		LogicMultisigSignature: msigToTransactionMsig(lsig.LMsig),
+		MultisigSignature:      msigToTransactionMsig(lsig.Msig),
+		Signature:              sigToTransactionSig(lsig.Sig),
 	}
 
 	return &ret

api/generated/common/routes.go

@@ -89,6 +89,12 @@ func TestTransactionParamToTransactionFilter(t *testing.T) {
 			idb.TransactionFilter{},
 			[]string{errUnknownSigType, errUnknownTxType},
 		},
+		{
+			"Valid MSig type",
+			generated.SearchForTransactionsParams{SigType: (*generated.SearchForTransactionsParamsSigType)(strPtr("msig"))},
+			idb.TransactionFilter{SigType: "msig", Limit: defaultOpts.DefaultTransactionsLimit},
+			nil,
+		},
 		{
 			"As many fields as possible",
 			generated.SearchForTransactionsParams{

api/generated/common/types.go

@@ -2638,6 +2638,9 @@
         "multisig-signature": {
           "$ref": "#/definitions/TransactionSignatureMultisig"
         },
+        "logic-multisig-signature": {
+          "$ref": "#/definitions/TransactionSignatureLogicMultisig"
+        },
         "signature": {
           "description": "\\[sig\\] ed25519 signature.",
           "type": "string",
@@ -2646,7 +2649,7 @@
       }
     },
     "TransactionSignatureMultisig": {
-      "description": "\\[msig\\] structure holding multiple subsignatures.\n\nDefinition:\ncrypto/multisig.go : MultisigSig",
+      "description": "structure holding multiple subsignatures.\n\nDefinition:\ncrypto/multisig.go : MultisigSig",
       "type": "object",
       "properties": {
         "subsignature": {
@@ -2666,6 +2669,14 @@
         }
       }
     },
+    "TransactionSignatureLogicMultisig": {
+      "description": "\\[lmsig\\] Accepted on transactions if consensus param LogicSigLMsig=true",
+      "allOf": [
+        {
+          "$ref": "#/definitions/TransactionSignatureMultisig"
+        }
+      ]
+    },
     "TransactionSignatureMultisigSubsignature": {
       "type": "object",
       "properties": {

api/generated/v2/routes.go

@@ -2559,6 +2559,14 @@
         },
         "type": "object"
       },
+      "TransactionSignatureLogicMultisig": {
+        "allOf": [
+          {
+            "$ref": "#/components/schemas/TransactionSignatureMultisig"
+          }
+        ],
+        "description": "\\[lmsig\\] Accepted on transactions if consensus param LogicSigLMsig=true"
+      },
       "TransactionSignatureLogicsig": {
         "description": "\\[lsig\\] Programatic transaction signature.\n\nDefinition:\ndata/transactions/logicsig.go",
         "properties": {
@@ -2575,6 +2583,9 @@
             "pattern": "^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$",
             "type": "string"
           },
+          "logic-multisig-signature": {
+            "$ref": "#/components/schemas/TransactionSignatureLogicMultisig"
+          },
           "multisig-signature": {
             "$ref": "#/components/schemas/TransactionSignatureMultisig"
           },
@@ -2591,7 +2602,7 @@
         "type": "object"
       },
       "TransactionSignatureMultisig": {
-        "description": "\\[msig\\] structure holding multiple subsignatures.\n\nDefinition:\ncrypto/multisig.go : MultisigSig",
+        "description": "structure holding multiple subsignatures.\n\nDefinition:\ncrypto/multisig.go : MultisigSig",
         "properties": {
           "subsignature": {
             "description": "\\[subsig\\] holds pairs of public key and signatures.",

api/generated/v2/types.go

@@ -6,7 +6,7 @@ toolchain go1.23.3
 
 require (
 	github.com/algorand/avm-abi v0.2.0
-	github.com/algorand/go-algorand-sdk/v2 v2.10.1-0.20250826231952-d3f0b201f480
+	github.com/algorand/go-algorand-sdk/v2 v2.10.1-0.20250829133552-9b5242cd2eb6
 	github.com/algorand/go-codec/codec v1.1.10
 	github.com/algorand/oapi-codegen v1.12.0-algorand.0
 	github.com/davecgh/go-spew v1.1.1

api/handlers_test.go

@@ -62,8 +62,8 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/algorand/avm-abi v0.2.0 h1:bkjsG+BOEcxUcnGSALLosmltE0JZdg+ZisXKx0UDX2k=
 github.com/algorand/avm-abi v0.2.0/go.mod h1:+CgwM46dithy850bpTeHh9MC99zpn2Snirb3QTl2O/g=
-github.com/algorand/go-algorand-sdk/v2 v2.10.1-0.20250826231952-d3f0b201f480 h1:TVdCQnEF5otHX1miKtKTcWATcyxq++wddR4iJUMs01Q=
-github.com/algorand/go-algorand-sdk/v2 v2.10.1-0.20250826231952-d3f0b201f480/go.mod h1:D6iKT87/N6ajNpN7uMYPC9/RsOo2BbxnDfvh81E3hOM=
+github.com/algorand/go-algorand-sdk/v2 v2.10.1-0.20250829133552-9b5242cd2eb6 h1:F/n7SH3Jo4L1XGfJ/3gtSTaoo5h06YMyCvxbnKw3AQ4=
+github.com/algorand/go-algorand-sdk/v2 v2.10.1-0.20250829133552-9b5242cd2eb6/go.mod h1:D6iKT87/N6ajNpN7uMYPC9/RsOo2BbxnDfvh81E3hOM=
 github.com/algorand/go-codec/codec v1.1.10 h1:zmWYU1cp64jQVTOG8Tw8wa+k0VfwgXIPbnDfiVa+5QA=
 github.com/algorand/go-codec/codec v1.1.10/go.mod h1:YkEx5nmr/zuCeaDYOIhlDg92Lxju8tj2d2NrYqP7g7k=
 github.com/algorand/oapi-codegen v1.12.0-algorand.0 h1:W9PvED+wAJc+9EeXPONnA+0zE9UhynEqoDs4OgAxKhk=