feat(abstract-cosmos): fix the public key in usigned sweep

abhi-bitgo · abhi-bitgo · commit ca64c83d56ee · 2025-07-30T16:43:53.000+05:30
ticket: WIN-4343
diff --git a/modules/abstract-cosmos/src/cosmosCoin.ts b/modules/abstract-cosmos/src/cosmosCoin.ts
@@ -223,6 +223,9 @@ export class CosmosCoin<CustomMessage = never> extends BaseCoin {
 
     if (publicKey) {
       txnBuilder.publicKey(publicKey);
+    } else {
+      publicKey = MPC.deriveUnhardened(params.bitgoKey || '', ROOT_PATH).slice(0, 66);
+      txnBuilder.publicKey(publicKey);
     }
 
     const unsignedTransaction = (await txnBuilder.build()) as CosmosTransaction<CustomMessage>;

Original file line number	Diff line number	Diff line change
`@@ -223,6 +223,9 @@ export class CosmosCoin<CustomMessage = never> extends BaseCoin {`
`223`	`223`
`224`	`224`	`if (publicKey) {`
`225`	`225`	`txnBuilder.publicKey(publicKey);`
	`226`	`+ } else {`
	`227`	`+ publicKey = MPC.deriveUnhardened(params.bitgoKey \|\| '', ROOT_PATH).slice(0, 66);`
	`228`	`+ txnBuilder.publicKey(publicKey);`
`226`	`229`	`}`
`227`	`230`
`228`	`231`	`const unsignedTransaction = (await txnBuilder.build()) as CosmosTransaction<CustomMessage>;`