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🔗 Polished Java library for EtherScan.io API
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GoodforGod/java-etherscan-api
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Etherscan.io Java API implementation.
Library supports all available EtherScanAPI calls for all availableEthereum Networks foretherscan.io
Gradle
dependencies { compile"com.github.goodforgod:java-etherscan-api:1.1.1"}Maven
<dependency> <groupId>com.github.goodforgod</groupId> <artifactId>java-etherscan-api</artifactId> <version>1.1.1</version></dependency>
API support Ethereum:MAINNET,ROPSTEN,KOVAN,RINKEBY,GORLI,TOBALABA networks.
EtherScanApiapi =newEtherScanApi(EthNetwork.MAINNET);// DefaultEtherScanApiapiRinkeby =newEtherScanApi(EthNetwork.RINKEBY);EtherScanApiapiRopsten =newEtherScanApi(EthNetwork.ROPSTEN);EtherScanApiapiKovan =newEtherScanApi("YourApiKey",EthNetwork.KOVAN);
In case you need to set custom timeout, custom headers or better implementation for HttpClient,just implementIHttpExecutor by your self or initialize it with your values.
intconnectionTimeout =10000;intreadTimeout =7000;Supplier<IHttpExecutor>supplier = () ->newHttpExecutor(connectionTimeout);Supplier<IHttpExecutor>supplierFull = () ->newHttpExecutor(connectionTimeout,readTimeout);EtherScanApiapi =newEtherScanApi(EthNetwork.RINKEBY,supplier);EtherScanApiapiWithKey =newEtherScanApi("YourApiKey",EthNetwork.MAINNET,supplierFull);
You can read about all API methods onEtherscan
Library support all available EtherScan API.
You can use librarywith or without API key(Check API request\sec restrictions when used without API key).
Library will automatically limit requests up to5 req/sec when usedwithout key.
EtherScanApiapi =newEtherScanApi();EtherScanApiapi =newEtherScanApi("YourApiKey");
Below are examples for each API category.
Get Ether Balance for a single Address
EtherScanApiapi =newEtherScanApi();Balancebalance =api.account().balance("0x8d4426f94e42f721C7116E81d6688cd935cB3b4F");
Get uncles block for block height
EtherScanApiapi =newEtherScanApi();Optional<UncleBlock>uncles =api.block().uncles(200000);
Request contract ABI fromverified codes
EtherScanApiapi =newEtherScanApi();Abiabi =api.contract().contractAbi("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413");
Get event logs for single topic
EtherScanApiapi =newEtherScanApi();LogQueryquery =LogQueryBuilder.with("0x33990122638b9132ca29c723bdf037f1a891a70c") .topic("0xf63780e752c6a54a94fc52715dbc5518a3b4c3c2833d301a204226548a2a8545") .build();List<Log>logs =api.logs().logs(query);
Get event logs for 3 topics with respectful operations
EtherScanApiapi =newEtherScanApi();LogQueryquery =LogQueryBuilder.with("0x33990122638b9132ca29c723bdf037f1a891a70c",379224,400000) .topic("0xf63780e752c6a54a94fc52715dbc5518a3b4c3c2833d301a204226548a2a8545","0x72657075746174696f6e00000000000000000000000000000000000000000000","0x72657075746174696f6e00000000000000000000000000000000000000000000") .setOpTopic0_1(LogOp.AND) .setOpTopic0_2(LogOp.OR) .setOpTopic1_2(LogOp.AND) .build();List<Log>logs =api.logs().logs(query);
Get tx detailds with proxy endpoint
EtherScanApiapi =newEtherScanApi(EthNetwork.MAINNET);Optional<TxProxy>tx =api.proxy().tx("0x1e2910a262b1008d0616a0beb24c1a491d78771baa54a33e66065e03b1f46bc1");
Get block info with proxy endpoint
EtherScanApiapi =newEtherScanApi(EthNetwork.MAINNET);Optional<BlockProxy>block =api.proxy().block(15215);
Statistic about last price
EtherScanApiapi =newEtherScanApi();Priceprice =api.stats().lastPrice();
Request receipt status for tx
EtherScanApiapi =newEtherScanApi();Optional<Boolean>status =api.txs().receiptStatus("0x513c1ba0bebf66436b5fed86ab668452b7805593c05073eb2d51d3a52f480a76");
You can read about token APIhere
Token API methods migrated toAccount &Stats respectfully.
This project licensed under the MIT - see theLICENSE file for details.
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