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How should custom AminoTypes be written？

See original GitHub issue

I’m using @cosmjs/ Stargate to plug into Osmosis dex

const aminoTypes = new AminoTypes({
        "What do I write here????": {
          aminoType: "osmosis/gamm/swap-exact-amount-in",
          toAmino: (data) => {
            debugger
            return data
          },
          fromAmino: (data) => {
            debugger
            return data
          },
        },
      });

The complete code：

async swap () {
      const aminoTypes = new AminoTypes({
        "/osmosis.gamm.swap-exact-amount-in": {
          aminoType: "osmosis/gamm/swap-exact-amount-in",
          toAmino: (data) => {
            debugger
            return data
          },
          fromAmino: (data) => {
            debugger
            return data
          },
        },
      });
      const offlineSigner = window.keplr.getOfflineSignerOnlyAmino(this.chainId);
      let sddf = this.accounts = await offlineSigner.getAccounts();
      const client = this.client = await SigningStargateClient.connectWithSigner(
        network,
        offlineSigner,
        {
          aminoTypes
        }
      );
      const address = this.accounts[0].address

      const msgAny = {
        "typeUrl": "/osmosis.gamm.swap-exact-amount-in",
        "value": {
          "sender": address,
          "routes": [
            {
              "poolId": "7",
              "tokenOutDenom": "uosmo"
            }
          ],
          "tokenIn": {
            "denom": "ibc/7C4D60AA95E5A7558B0A364860979CA34B7FF8AAF255B87AF9E879374470CEC0",
            "amount": "21429239"
          },
          "tokenOutMinAmount": "201687"
        }
      }

      const fee = {
        amount: [],
        gas: "100000", // 180k
      };
      const memo = "备忘录211";
      try {
        const result = await this.client.signAndBroadcast(
          address,
          [msgAny],
          fee,
          memo
        );
        assertIsDeliverTxSuccess(result);
        if (result.code !== undefined &&
          result.code !== 0) {
          alert("Failed to send tx: " + result.log || result.rawLog);
        } else {
          alert("Succeed to send tx:" + result.transactionHash);
        }
      } catch (error) {
        let sd = error
        debugger
        alert("Failed to send tx:" + error.message);
      }
    }

Error

Error: Unregistered type url: /osmosis.gamm.swap-exact-amount-in\n at Registry.lookupTypeWithError (webpack-internal:///./node_modules/@cosmjs/proto-signing/build/registry.js:74:19)\n at Registry.encode (webpack-internal:///./node_modules/@cosmjs/proto-signing/build/registry.js:90:27)\n at Registry.encodeAsAny (webpack-internal:///./node_modules/@cosmjs/proto-signing/build/registry.js:99:34)\n at eval (webpack-internal:///./node_modules/@cosmjs/proto-signing/build/registry.js:106:77)\n at Array.map (<anonymous>)\n at Registry.encodeTxBody (webpack-internal:///./node_modules/@cosmjs/proto-signing/build/registry.js:106:55)\n at Registry.encode (webpack-internal:///./node_modules/@cosmjs/proto-signing/build/registry.js:88:25)\n at SigningStargateClient.signAmino (webpack-internal:///./node_modules/@cosmjs/stargate/build/signingstargateclient.js:218:49)\n at async SigningStargateClient.signAndBroadcast (webpack-internal:///./node_modules/@cosmjs/stargate/build/signingstargateclient.js:167:23)"