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cosmwasmclient.ts
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cosmwasmclient.ts
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/* eslint-disable @typescript-eslint/naming-convention */
import { fromAscii, toHex } from "@cosmjs/encoding";
import { Uint53 } from "@cosmjs/math";
import {
Account,
accountFromAny,
AuthExtension,
BankExtension,
Block,
Coin,
DeliverTxResponse,
IndexedTx,
isSearchByHeightQuery,
isSearchBySentFromOrToQuery,
isSearchByTagsQuery,
QueryClient,
SearchTxFilter,
SearchTxQuery,
SequenceResponse,
setupAuthExtension,
setupBankExtension,
setupTxExtension,
TimeoutError,
TxExtension,
} from "@cosmjs/stargate";
import { Tendermint34Client, toRfc3339WithNanoseconds } from "@cosmjs/tendermint-rpc";
import { assert, sleep } from "@cosmjs/utils";
import { CodeInfoResponse } from "cosmjs-types/cosmwasm/wasm/v1/query";
import { ContractCodeHistoryOperationType } from "cosmjs-types/cosmwasm/wasm/v1/types";
import { JsonObject, setupWasmExtension, WasmExtension } from "./queries";
export interface Code {
readonly id: number;
/** Bech32 account address */
readonly creator: string;
/** Hex-encoded sha256 hash of the code stored here */
readonly checksum: string;
// `source` and `builder` were removed in wasmd 0.18
// https://github.com/CosmWasm/wasmd/issues/540
}
export interface CodeDetails extends Code {
/** The original Wasm bytes */
readonly data: Uint8Array;
}
export interface Contract {
readonly address: string;
readonly codeId: number;
/** Bech32 account address */
readonly creator: string;
/** Bech32-encoded admin address */
readonly admin: string | undefined;
readonly label: string;
/**
* The IBC port ID assigned to this contract by wasmd.
*
* This is set for all IBC contracts (https://github.com/CosmWasm/wasmd/blob/v0.16.0/x/wasm/keeper/keeper.go#L299-L306).
*/
readonly ibcPortId: string | undefined;
}
export interface ContractCodeHistoryEntry {
/** The source of this history entry */
readonly operation: "Genesis" | "Init" | "Migrate";
readonly codeId: number;
readonly msg: Record<string, unknown>;
}
/** Use for testing only */
export interface PrivateCosmWasmClient {
readonly tmClient: Tendermint34Client | undefined;
readonly queryClient:
| (QueryClient & AuthExtension & BankExtension & TxExtension & WasmExtension)
| undefined;
}
export class CosmWasmClient {
private readonly tmClient: Tendermint34Client | undefined;
private readonly queryClient:
| (QueryClient & AuthExtension & BankExtension & TxExtension & WasmExtension)
| undefined;
private readonly codesCache = new Map<number, CodeDetails>();
private chainId: string | undefined;
public static async connect(endpoint: string): Promise<CosmWasmClient> {
const tmClient = await Tendermint34Client.connect(endpoint);
return new CosmWasmClient(tmClient);
}
protected constructor(tmClient: Tendermint34Client | undefined) {
if (tmClient) {
this.tmClient = tmClient;
this.queryClient = QueryClient.withExtensions(
tmClient,
setupAuthExtension,
setupBankExtension,
setupWasmExtension,
setupTxExtension,
);
}
}
protected getTmClient(): Tendermint34Client | undefined {
return this.tmClient;
}
protected forceGetTmClient(): Tendermint34Client {
if (!this.tmClient) {
throw new Error(
"Tendermint client not available. You cannot use online functionality in offline mode.",
);
}
return this.tmClient;
}
protected getQueryClient():
| (QueryClient & AuthExtension & BankExtension & TxExtension & WasmExtension)
| undefined {
return this.queryClient;
}
protected forceGetQueryClient(): QueryClient & AuthExtension & BankExtension & TxExtension & WasmExtension {
if (!this.queryClient) {
throw new Error("Query client not available. You cannot use online functionality in offline mode.");
}
return this.queryClient;
}
public async getChainId(): Promise<string> {
if (!this.chainId) {
const response = await this.forceGetTmClient().status();
const chainId = response.nodeInfo.network;
if (!chainId) throw new Error("Chain ID must not be empty");
this.chainId = chainId;
}
return this.chainId;
}
public async getHeight(): Promise<number> {
const status = await this.forceGetTmClient().status();
return status.syncInfo.latestBlockHeight;
}
public async getAccount(searchAddress: string): Promise<Account | null> {
try {
const account = await this.forceGetQueryClient().auth.account(searchAddress);
return account ? accountFromAny(account) : null;
} catch (error: any) {
if (/rpc error: code = NotFound/i.test(error.toString())) {
return null;
}
throw error;
}
}
public async getSequence(address: string): Promise<SequenceResponse> {
const account = await this.getAccount(address);
if (!account) {
throw new Error(
"Account does not exist on chain. Send some tokens there before trying to query sequence.",
);
}
return {
accountNumber: account.accountNumber,
sequence: account.sequence,
};
}
public async getBlock(height?: number): Promise<Block> {
const response = await this.forceGetTmClient().block(height);
return {
id: toHex(response.blockId.hash).toUpperCase(),
header: {
version: {
block: new Uint53(response.block.header.version.block).toString(),
app: new Uint53(response.block.header.version.app).toString(),
},
height: response.block.header.height,
chainId: response.block.header.chainId,
time: toRfc3339WithNanoseconds(response.block.header.time),
},
txs: response.block.txs,
};
}
public async getBalance(address: string, searchDenom: string): Promise<Coin> {
return this.forceGetQueryClient().bank.balance(address, searchDenom);
}
public async getTx(id: string): Promise<IndexedTx | null> {
const results = await this.txsQuery(`tx.hash='${id}'`);
return results[0] ?? null;
}
public async searchTx(query: SearchTxQuery, filter: SearchTxFilter = {}): Promise<readonly IndexedTx[]> {
const minHeight = filter.minHeight || 0;
const maxHeight = filter.maxHeight || Number.MAX_SAFE_INTEGER;
if (maxHeight < minHeight) return []; // optional optimization
function withFilters(originalQuery: string): string {
return `${originalQuery} AND tx.height>=${minHeight} AND tx.height<=${maxHeight}`;
}
let txs: readonly IndexedTx[];
if (isSearchByHeightQuery(query)) {
txs =
query.height >= minHeight && query.height <= maxHeight
? await this.txsQuery(`tx.height=${query.height}`)
: [];
} else if (isSearchBySentFromOrToQuery(query)) {
const sentQuery = withFilters(`message.module='bank' AND transfer.sender='${query.sentFromOrTo}'`);
const receivedQuery = withFilters(
`message.module='bank' AND transfer.recipient='${query.sentFromOrTo}'`,
);
const [sent, received] = await Promise.all(
[sentQuery, receivedQuery].map((rawQuery) => this.txsQuery(rawQuery)),
);
const sentHashes = sent.map((t) => t.hash);
txs = [...sent, ...received.filter((t) => !sentHashes.includes(t.hash))];
} else if (isSearchByTagsQuery(query)) {
const rawQuery = withFilters(query.tags.map((t) => `${t.key}='${t.value}'`).join(" AND "));
txs = await this.txsQuery(rawQuery);
} else {
throw new Error("Unknown query type");
}
const filtered = txs.filter((tx) => tx.height >= minHeight && tx.height <= maxHeight);
return filtered;
}
public disconnect(): void {
if (this.tmClient) this.tmClient.disconnect();
}
/**
* Broadcasts a signed transaction to the network and monitors its inclusion in a block.
*
* If broadcasting is rejected by the node for some reason (e.g. because of a CheckTx failure),
* an error is thrown.
*
* If the transaction is not included in a block before the provided timeout, this errors with a `TimeoutError`.
*
* If the transaction is included in a block, a `DeliverTxResponse` is returned. The caller then
* usually needs to check for execution success or failure.
*/
// NOTE: This method is tested against slow chains and timeouts in the @cosmjs/stargate package.
// Make sure it is kept in sync!
public async broadcastTx(
tx: Uint8Array,
timeoutMs = 60_000,
pollIntervalMs = 3_000,
): Promise<DeliverTxResponse> {
let timedOut = false;
const txPollTimeout = setTimeout(() => {
timedOut = true;
}, timeoutMs);
const pollForTx = async (txId: string): Promise<DeliverTxResponse> => {
if (timedOut) {
throw new TimeoutError(
`Transaction with ID ${txId} was submitted but was not yet found on the chain. You might want to check later.`,
txId,
);
}
await sleep(pollIntervalMs);
const result = await this.getTx(txId);
return result
? {
code: result.code,
height: result.height,
rawLog: result.rawLog,
transactionHash: txId,
gasUsed: result.gasUsed,
gasWanted: result.gasWanted,
}
: pollForTx(txId);
};
const broadcasted = await this.forceGetTmClient().broadcastTxSync({ tx });
if (broadcasted.code) {
throw new Error(
`Broadcasting transaction failed with code ${broadcasted.code} (codespace: ${broadcasted.codeSpace}). Log: ${broadcasted.log}`,
);
}
const transactionId = toHex(broadcasted.hash).toUpperCase();
return new Promise((resolve, reject) =>
pollForTx(transactionId).then(
(value) => {
clearTimeout(txPollTimeout);
resolve(value);
},
(error) => {
clearTimeout(txPollTimeout);
reject(error);
},
),
);
}
public async getCodes(): Promise<readonly Code[]> {
const { codeInfos } = await this.forceGetQueryClient().wasm.listCodeInfo();
return (codeInfos || []).map((entry: CodeInfoResponse): Code => {
assert(entry.creator && entry.codeId && entry.dataHash, "entry incomplete");
return {
id: entry.codeId.toNumber(),
creator: entry.creator,
checksum: toHex(entry.dataHash),
};
});
}
public async getCodeDetails(codeId: number): Promise<CodeDetails> {
const cached = this.codesCache.get(codeId);
if (cached) return cached;
const { codeInfo, data } = await this.forceGetQueryClient().wasm.getCode(codeId);
assert(
codeInfo && codeInfo.codeId && codeInfo.creator && codeInfo.dataHash && data,
"codeInfo missing or incomplete",
);
const codeDetails: CodeDetails = {
id: codeInfo.codeId.toNumber(),
creator: codeInfo.creator,
checksum: toHex(codeInfo.dataHash),
data: data,
};
this.codesCache.set(codeId, codeDetails);
return codeDetails;
}
public async getContracts(codeId: number): Promise<readonly string[]> {
// TODO: handle pagination - accept as arg or auto-loop
const { contracts } = await this.forceGetQueryClient().wasm.listContractsByCodeId(codeId);
return contracts;
}
/**
* Throws an error if no contract was found at the address
*/
public async getContract(address: string): Promise<Contract> {
const { address: retrievedAddress, contractInfo } = await this.forceGetQueryClient().wasm.getContractInfo(
address,
);
if (!contractInfo) throw new Error(`No contract found at address "${address}"`);
assert(retrievedAddress, "address missing");
assert(contractInfo.codeId && contractInfo.creator && contractInfo.label, "contractInfo incomplete");
return {
address: retrievedAddress,
codeId: contractInfo.codeId.toNumber(),
creator: contractInfo.creator,
admin: contractInfo.admin || undefined,
label: contractInfo.label,
ibcPortId: contractInfo.ibcPortId || undefined,
};
}
/**
* Throws an error if no contract was found at the address
*/
public async getContractCodeHistory(address: string): Promise<readonly ContractCodeHistoryEntry[]> {
const result = await this.forceGetQueryClient().wasm.getContractCodeHistory(address);
if (!result) throw new Error(`No contract history found for address "${address}"`);
const operations: Record<number, "Init" | "Genesis" | "Migrate"> = {
[ContractCodeHistoryOperationType.CONTRACT_CODE_HISTORY_OPERATION_TYPE_INIT]: "Init",
[ContractCodeHistoryOperationType.CONTRACT_CODE_HISTORY_OPERATION_TYPE_GENESIS]: "Genesis",
[ContractCodeHistoryOperationType.CONTRACT_CODE_HISTORY_OPERATION_TYPE_MIGRATE]: "Migrate",
};
return (result.entries || []).map((entry): ContractCodeHistoryEntry => {
assert(entry.operation && entry.codeId && entry.msg);
return {
operation: operations[entry.operation],
codeId: entry.codeId.toNumber(),
msg: JSON.parse(fromAscii(entry.msg)),
};
});
}
/**
* Returns the data at the key if present (raw contract dependent storage data)
* or null if no data at this key.
*
* Promise is rejected when contract does not exist.
*/
public async queryContractRaw(address: string, key: Uint8Array): Promise<Uint8Array | null> {
// just test contract existence
await this.getContract(address);
const { data } = await this.forceGetQueryClient().wasm.queryContractRaw(address, key);
return data ?? null;
}
/**
* Makes a smart query on the contract, returns the parsed JSON document.
*
* Promise is rejected when contract does not exist.
* Promise is rejected for invalid query format.
* Promise is rejected for invalid response format.
*/
public async queryContractSmart(address: string, queryMsg: Record<string, unknown>): Promise<JsonObject> {
try {
return await this.forceGetQueryClient().wasm.queryContractSmart(address, queryMsg);
} catch (error) {
if (error instanceof Error) {
if (error.message.startsWith("not found: contract")) {
throw new Error(`No contract found at address "${address}"`);
} else {
throw error;
}
} else {
throw error;
}
}
}
private async txsQuery(query: string): Promise<readonly IndexedTx[]> {
const results = await this.forceGetTmClient().txSearchAll({ query: query });
return results.txs.map((tx) => {
return {
height: tx.height,
hash: toHex(tx.hash).toUpperCase(),
code: tx.result.code,
rawLog: tx.result.log || "",
tx: tx.tx,
gasUsed: tx.result.gasUsed,
gasWanted: tx.result.gasWanted,
};
});
}
}