fix(bankr): submit minimal transaction schema (#7)

Author: cinnabarhorse

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Fixed
+
+- Bankr signer now sends the minimal `/agent/submit` transaction schema and omits gas/nonce/fee fields for compatibility.
+
 ## 0.2.2 - 2026-02-27
 
 ### Added

src/signer-runtime.test.ts

@@ -154,6 +154,12 @@ describe("signer runtime", () => {
             const body = JSON.parse(String(init?.body));
             expect(body.waitForConfirmation).toBe(false);
             expect(body.transaction.to).toBe("0x0000000000000000000000000000000000000001");
+            expect(body.transaction.gas).toBeUndefined();
+            expect(body.transaction.nonce).toBeUndefined();
+            expect(body.transaction.maxFeePerGas).toBeUndefined();
+            expect(body.transaction.maxPriorityFeePerGas).toBeUndefined();
+            expect(body.transaction.from).toBeUndefined();
+            expect(body.description).toBeUndefined();
             return {
                 ok: true,
                 text: async () => JSON.stringify({ transactionHash: "0x" + "e".repeat(64) }),
@@ -187,6 +193,13 @@ describe("signer runtime", () => {
         const fetchMock = vi.fn(async (url: string, init?: RequestInit) => {
             expect(url).toBe("https://api.bankr.bot/agent/submit");
             expect((init?.headers as Record<string, string>)["x-api-key"]).toBe("bankr-token");
+            const body = JSON.parse(String(init?.body));
+            expect(body.transaction.chainId).toBe(base.id);
+            expect(body.transaction.gas).toBeUndefined();
+            expect(body.transaction.nonce).toBeUndefined();
+            expect(body.transaction.maxFeePerGas).toBeUndefined();
+            expect(body.transaction.maxPriorityFeePerGas).toBeUndefined();
+            expect(body.transaction.from).toBeUndefined();
             return {
                 ok: true,
                 text: async () => JSON.stringify({ txHash: "0x" + "f".repeat(64) }),

src/signer.ts

@@ -621,20 +621,15 @@ export async function resolveSignerRuntime(
         return {
             summary,
             sendTransaction: async (request) => {
+                // Bankr expects a minimal transaction schema for /agent/submit.
                 const payload = {
                     transaction: {
                         chainId: request.chain.id,
-                        from: address,
                         to: request.to,
                         data: request.data,
                         value: request.value?.toString() || "0",
-                        gas: request.gas.toString(),
-                        nonce: request.nonce,
-                        maxFeePerGas: request.maxFeePerGas?.toString(),
-                        maxPriorityFeePerGas: request.maxPriorityFeePerGas?.toString(),
                     },
                     waitForConfirmation: false,
-                    description: "Submitted via aavegotchi-cli",
                 };
 
                 const response = await fetchBankrJson(addDefaultPaths(apiUrl, BANKR_AGENT_SUBMIT_PATH), {