@ton-api/ton-adapter/dist/index.mjs.map

TonApi adapter for @ton/ton

{"version":3,"sources":["../src/tonapi-adapter.ts"],"sourcesContent":["import {\n    Address,\n    beginCell,\n    Cell,\n    comment,\n    Contract,\n    ContractProvider,\n    ContractState,\n    external,\n    openContract,\n    OpenedContract,\n    storeMessage,\n    toNano,\n    Transaction,\n    TupleItem,\n    TupleReader,\n    loadTransaction,\n    ExtraCurrency\n} from '@ton/core';\nimport {\n    AccountStatus as TonApiAccountStatus,\n    TonApiClient,\n    BlockchainRawAccount,\n    AccountStatus\n} from '@ton-api/client';\nimport { Buffer } from 'buffer';\n\nexport class ContractAdapter {\n    constructor(private readonly tonapi: TonApiClient) {}\n\n    /**\n     * Open smart contract\n     * @param contract contract\n     * @returns opened contract\n     */\n    open<T extends Contract>(contract: T) {\n        return openContract<T>(contract, args =>\n            createProvider(this.tonapi, args.address, args.init)\n        );\n    }\n\n    /**\n     * Create provider\n     * @param address address\n     * @param init optional init data\n     * @returns provider\n     */\n    provider(address: Address, init?: { code?: Cell; data?: Cell } | null) {\n        return createProvider(this.tonapi, address, init ? init : null);\n    }\n}\ntype LoclaBlockchainRawAccount = Partial<Pick<BlockchainRawAccount, 'lastTransactionLt'>> &\n    Omit<BlockchainRawAccount, 'lastTransactionLt'>;\n\nfunction createProvider(\n    tonapi: TonApiClient,\n    address: Address,\n    init: { code?: Cell | null; data?: Cell | null } | null\n): ContractProvider {\n    return {\n        async getState(): Promise<ContractState> {\n            // Load state\n            const account: LoclaBlockchainRawAccount = await tonapi.blockchain\n                .getBlockchainRawAccount(address)\n                .catch((error: Error) => {\n                    if (error.message !== 'entity not found') {\n                        throw new Error(`Account request failed: ${error.message}`, error);\n                    }\n\n                    const mockResult: LoclaBlockchainRawAccount = {\n                        address: address,\n                        balance: 0n,\n                        lastTransactionLt: undefined,\n                        status: AccountStatus.Uninit,\n                        storage: {\n                            usedCells: 1,\n                            usedBits: 95,\n                            usedPublicCells: 0,\n                            lastPaid: Math.floor(new Date().getTime() / 1000),\n                            duePayment: 0n\n                        }\n                    };\n\n                    return mockResult;\n                });\n\n            // Convert state\n            const last =\n                account.lastTransactionHash !== undefined && account.lastTransactionLt !== undefined\n                    ? {\n                          lt: account.lastTransactionLt,\n                          hash: Buffer.from(account.lastTransactionHash, 'base64')\n                      }\n                    : null;\n\n            const stateGetters: Record<\n                TonApiAccountStatus,\n                (account: LoclaBlockchainRawAccount) => ContractState['state']\n            > = {\n                active: account => ({\n                    type: 'active',\n                    code: account.code?.toBoc() ?? null,\n                    data: account.data?.toBoc() ?? null\n                }),\n                uninit: () => ({\n                    type: 'uninit'\n                }),\n                nonexist: () => ({\n                    type: 'uninit'\n                }),\n                frozen: () => {\n                    throw new Error(`Frozen accounts are not supported by TonApi`);\n                }\n            };\n\n            const extraCurrency: ExtraCurrency | null = account.extraBalance\n                ? Object.fromEntries(\n                      Object.entries(account.extraBalance).map(([k, v]) => [Number(k), BigInt(v)])\n                  )\n                : null;\n\n            return {\n                balance: account.balance,\n                extracurrency: extraCurrency,\n                last: last,\n                state: stateGetters[account.status](account)\n            };\n        },\n        async get(name, args) {\n            if (typeof name !== 'string') {\n                throw new Error('Method name must be a string for TonClient provider');\n            }\n\n            if (args.some(arg => arg.type === 'tuple')) {\n                throw new Error('Tuples as get parameters are not supported by tonapi');\n            }\n\n            const result = await tonapi.blockchain.execGetMethodForBlockchainAccount(\n                address,\n                name,\n                { args: args.map(TupleItemToTonapiString) }\n            );\n\n            return {\n                stack: new TupleReader(result.stack)\n            };\n        },\n        async external(message) {\n            // Resolve init\n            let neededInit: { code?: Cell | null; data?: Cell | null } | null = null;\n            if (init && (await tonapi.accounts.getAccount(address)).status !== 'active') {\n                neededInit = init;\n            }\n\n            // Send with state init\n            const ext = external({\n                to: address,\n                init: neededInit ? { code: neededInit.code, data: neededInit.data } : null,\n                body: message\n            });\n            const boc = beginCell().store(storeMessage(ext)).endCell();\n\n            await tonapi.blockchain.sendBlockchainMessage({ boc });\n        },\n        async internal(via, message) {\n            // Resolve init\n            let neededInit: { code?: Cell | null; data?: Cell | null } | null = null;\n            if (init && (await tonapi.accounts.getAccount(address)).status !== 'active') {\n                neededInit = init;\n            }\n\n            // Resolve bounce\n            let bounce = true;\n            if (message.bounce !== null && message.bounce !== undefined) {\n                bounce = message.bounce;\n            }\n\n            // Resolve value\n            let value: bigint;\n            if (typeof message.value === 'string') {\n                value = toNano(message.value);\n            } else {\n                value = message.value;\n            }\n\n            // Resolve body\n            let body: Cell | null = null;\n            if (typeof message.body === 'string') {\n                body = comment(message.body);\n            } else if (message.body) {\n                body = message.body;\n            }\n\n            // Send internal message\n            await via.send({\n                to: address,\n                value,\n                bounce,\n                sendMode: message.sendMode,\n                init: neededInit,\n                body\n            });\n        },\n        open<T extends Contract>(contract: T): OpenedContract<T> {\n            return openContract(contract, params =>\n                createProvider(tonapi, params.address, params.init)\n            );\n        },\n        getTransactions(\n            address: Address,\n            lt: bigint,\n            hash: Buffer,\n            limit?: number\n        ): Promise<Transaction[]> {\n            console.info(\n                'hash param in getTransactions action ignored, beacause not supported',\n                hash.toString('hex')\n            );\n            return tonapi.blockchain\n                .getBlockchainAccountTransactions(address, {\n                    before_lt: lt + 1n,\n                    limit\n                })\n                .then(({ transactions }) =>\n                    transactions.map(transaction => loadTransaction(transaction.raw.asSlice()))\n                );\n        }\n    };\n}\n\nfunction TupleItemToTonapiString(item: TupleItem): string {\n    switch (item.type) {\n        case 'int':\n            return '0x' + item.value.toString(16);\n        case 'nan':\n            return 'NaN';\n        case 'null':\n            return 'Null';\n        case 'cell':\n        case 'builder':\n            return item.cell.toBoc().toString('base64');\n        case 'slice':\n            return item.cell.toBoc().toString('hex');\n        case 'tuple':\n            throw new Error('Tuple is not supported in TonApi get method parameters');\n        default:\n            throw new Error(`Unknown type ${(item as { type: string }).type}`);\n    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