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Commit3b1af9d

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Merge pull request#27 from Blackmorse/contract_creation
Contract creation API
2 parentsc64a301 +06464f8 commit3b1af9d

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10 files changed

+204
-5
lines changed

10 files changed

+204
-5
lines changed

‎src/main/java/io/goodforgod/api/etherscan/AccountAPIProvider.java‎

Lines changed: 2 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -95,7 +95,8 @@ public List<Balance> balances(@NotNull List<String> addresses) throws EtherScanE
9595
finalList<List<String>>addressesAsBatches =BasicUtils.partition(addresses,20);
9696

9797
for (finalList<String>batch :addressesAsBatches) {
98-
finalStringurlParams =ACT_BALANCE_MULTI_ACTION +TAG_LATEST_PARAM +ADDRESS_PARAM +toAddressParam(batch);
98+
finalStringurlParams =ACT_BALANCE_MULTI_ACTION +TAG_LATEST_PARAM +ADDRESS_PARAM
99+
+BasicUtils.toAddressParam(batch);
99100
finalBalanceResponseTOresponse =getRequest(urlParams,BalanceResponseTO.class);
100101
if (response.getStatus() !=1) {
101102
thrownewEtherScanResponseException(response);
@@ -111,10 +112,6 @@ public List<Balance> balances(@NotNull List<String> addresses) throws EtherScanE
111112
returnbalances;
112113
}
113114

114-
privateStringtoAddressParam(List<String>addresses) {
115-
returnString.join(",",addresses);
116-
}
117-
118115
@NotNull
119116
@Override
120117
publicList<Tx>txs(@NotNullStringaddress)throwsEtherScanException {

‎src/main/java/io/goodforgod/api/etherscan/ContractAPI.java‎

Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2,6 +2,8 @@
22

33
importio.goodforgod.api.etherscan.error.EtherScanException;
44
importio.goodforgod.api.etherscan.model.Abi;
5+
importio.goodforgod.api.etherscan.model.ContractCreation;
6+
importjava.util.List;
57
importorg.jetbrains.annotations.NotNull;
68

79
/**
@@ -21,4 +23,13 @@ public interface ContractAPI {
2123
*/
2224
@NotNull
2325
AbicontractAbi(@NotNullStringaddress)throwsEtherScanException;
26+
27+
/**
28+
* Returns a contract's deployer address and transaction hash it was created, up to 5 at a time.
29+
*
30+
* @param contractAddresses - list of addresses to fetch
31+
* @throws EtherScanException parent exception class
32+
*/
33+
@NotNull
34+
List<ContractCreation>contractCreation(@NotNullList<String>contractAddresses)throwsEtherScanException;
2435
}

‎src/main/java/io/goodforgod/api/etherscan/ContractAPIProvider.java‎

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,8 +5,12 @@
55
importio.goodforgod.api.etherscan.http.EthHttpClient;
66
importio.goodforgod.api.etherscan.manager.RequestQueueManager;
77
importio.goodforgod.api.etherscan.model.Abi;
8+
importio.goodforgod.api.etherscan.model.ContractCreation;
9+
importio.goodforgod.api.etherscan.model.response.ContractCreationResponseTO;
810
importio.goodforgod.api.etherscan.model.response.StringResponseTO;
911
importio.goodforgod.api.etherscan.util.BasicUtils;
12+
importjava.util.List;
13+
importjava.util.stream.Collectors;
1014
importorg.jetbrains.annotations.NotNull;
1115

1216
/**
@@ -22,6 +26,12 @@ final class ContractAPIProvider extends BasicProvider implements ContractAPI {
2226

2327
privatestaticfinalStringADDRESS_PARAM ="&address=";
2428

29+
privatestaticfinalStringACT_CONTRACT_CREATION_PARAM ="getcontractcreation";
30+
31+
privatestaticfinalStringACT_CONTRACT_CREATION =ACT_PREFIX +ACT_CONTRACT_CREATION_PARAM;
32+
33+
privatestaticfinalStringACT_CONTRACT_ADDRESSES_PARAM ="&contractaddresses=";
34+
2535
ContractAPIProvider(RequestQueueManagerrequestQueueManager,
2636
StringbaseUrl,
2737
EthHttpClientexecutor,
@@ -44,4 +54,24 @@ public Abi contractAbi(@NotNull String address) throws EtherScanException {
4454
?Abi.nonVerified()
4555
:Abi.verified(response.getResult());
4656
}
57+
58+
@NotNull
59+
@Override
60+
publicList<ContractCreation>contractCreation(@NotNullList<String>contractAddresses)throwsEtherScanException {
61+
BasicUtils.validateAddresses(contractAddresses);
62+
finalStringurlParam =ACT_CONTRACT_CREATION +ACT_CONTRACT_ADDRESSES_PARAM
63+
+BasicUtils.toAddressParam(contractAddresses);
64+
finalContractCreationResponseTOresponse =getRequest(urlParam,ContractCreationResponseTO.class);
65+
if (response.getStatus() !=1 &&response.getMessage().startsWith("NOTOK")) {
66+
thrownewEtherScanResponseException(response);
67+
}
68+
69+
returnresponse.getResult().stream()
70+
.map(to ->ContractCreation.builder()
71+
.withContractCreator(to.getContractCreator())
72+
.withContractAddress(to.getContractAddress())
73+
.withTxHash(to.getTxHash())
74+
.build())
75+
.collect(Collectors.toList());
76+
}
4777
}

‎src/main/java/io/goodforgod/api/etherscan/StatisticAPI.java‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -18,6 +18,7 @@ public interface StatisticAPI {
1818
* ERC20 token total Supply
1919
* <a href=
2020
* "https://docs.etherscan.io/api-endpoints/tokens#get-erc20-token-totalsupply-by-contractaddress">EtherScan<a>
21+
* Returns the current amount of an ERC-20 token in circulation.
2122
*
2223
* @param contract contract address
2324
* @return token supply for specified contract
Lines changed: 85 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,85 @@
1+
packageio.goodforgod.api.etherscan.model;
2+
3+
importjava.util.Objects;
4+
5+
publicclassContractCreation {
6+
7+
privatefinalStringcontractAddress;
8+
privatefinalStringcontractCreator;
9+
privatefinalStringtxHash;
10+
11+
privateContractCreation(StringcontractAddress,StringcontractCreator,StringtxHash) {
12+
this.contractAddress =contractAddress;
13+
this.contractCreator =contractCreator;
14+
this.txHash =txHash;
15+
}
16+
17+
publicStringgetContractAddress() {
18+
returncontractAddress;
19+
}
20+
21+
publicStringgetContractCreator() {
22+
returncontractCreator;
23+
}
24+
25+
publicStringgetTxHash() {
26+
returntxHash;
27+
}
28+
29+
@Override
30+
publicbooleanequals(Objecto) {
31+
if (this ==o)
32+
returntrue;
33+
if (o ==null ||getClass() !=o.getClass())
34+
returnfalse;
35+
ContractCreationthat = (ContractCreation)o;
36+
returnObjects.equals(contractAddress,that.contractAddress) &&Objects.equals(contractCreator,that.contractCreator)
37+
&&Objects.equals(txHash,that.txHash);
38+
}
39+
40+
@Override
41+
publicinthashCode() {
42+
returnObjects.hash(contractAddress,contractCreator,txHash);
43+
}
44+
45+
@Override
46+
publicStringtoString() {
47+
return"ContractCreation{" +
48+
"contractAddress='" +contractAddress +'\'' +
49+
", contractCreator='" +contractCreator +'\'' +
50+
", txHash='" +txHash +'\'' +
51+
'}';
52+
}
53+
54+
publicstaticContractCreationBuilderbuilder() {
55+
returnnewContractCreationBuilder();
56+
}
57+
58+
publicstaticfinalclassContractCreationBuilder {
59+
60+
privateStringcontractAddress;
61+
privateStringcontractCreator;
62+
privateStringtxHash;
63+
64+
privateContractCreationBuilder() {}
65+
66+
publicContractCreationBuilderwithContractAddress(StringcontractAddress) {
67+
this.contractAddress =contractAddress;
68+
returnthis;
69+
}
70+
71+
publicContractCreationBuilderwithContractCreator(StringcontractCreator) {
72+
this.contractCreator =contractCreator;
73+
returnthis;
74+
}
75+
76+
publicContractCreationBuilderwithTxHash(StringtxHash) {
77+
this.txHash =txHash;
78+
returnthis;
79+
}
80+
81+
publicContractCreationbuild() {
82+
returnnewContractCreation(contractAddress,contractCreator,txHash);
83+
}
84+
}
85+
}
Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,3 @@
1+
packageio.goodforgod.api.etherscan.model.response;
2+
3+
publicclassContractCreationResponseTOextendsBaseListResponseTO<ContractCreationTO> {}
Lines changed: 20 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,20 @@
1+
packageio.goodforgod.api.etherscan.model.response;
2+
3+
publicclassContractCreationTO {
4+
5+
privateStringcontractAddress;
6+
privateStringcontractCreator;
7+
privateStringtxHash;
8+
9+
publicStringgetContractAddress() {
10+
returncontractAddress;
11+
}
12+
13+
publicStringgetContractCreator() {
14+
returncontractCreator;
15+
}
16+
17+
publicStringgetTxHash() {
18+
returntxHash;
19+
}
20+
}

‎src/main/java/io/goodforgod/api/etherscan/util/BasicUtils.java‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -149,4 +149,8 @@ public static List<List<String>> partition(List<String> list, int pairSize) {
149149

150150
returnpartitioned;
151151
}
152+
153+
publicstaticStringtoAddressParam(List<String>addresses) {
154+
returnString.join(",",addresses);
155+
}
152156
}

‎src/test/java/io/goodforgod/api/etherscan/ApiRunner.java‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
11
packageio.goodforgod.api.etherscan;
22

33
importio.goodforgod.api.etherscan.manager.RequestQueueManager;
4+
importio.goodforgod.api.etherscan.util.BasicUtils;
45
importjava.util.Map;
56
importorg.junit.jupiter.api.AfterAll;
67
importorg.junit.jupiter.api.Assertions;
@@ -15,6 +16,7 @@ public class ApiRunner extends Assertions {
1516
static {
1617
API_KEY =System.getenv().entrySet().stream()
1718
.filter(e ->e.getKey().startsWith("ETHERSCAN_API_KEY"))
19+
.filter(e -> !BasicUtils.isBlank(e.getValue()))
1820
.map(Map.Entry::getValue)
1921
.findFirst()
2022
.orElse(DEFAULT_KEY);

‎src/test/java/io/goodforgod/api/etherscan/contract/ContractApiTests.java‎

Lines changed: 46 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,10 @@
33
importio.goodforgod.api.etherscan.ApiRunner;
44
importio.goodforgod.api.etherscan.error.EtherScanInvalidAddressException;
55
importio.goodforgod.api.etherscan.model.Abi;
6+
importio.goodforgod.api.etherscan.model.ContractCreation;
7+
importjava.util.Arrays;
8+
importjava.util.Collections;
9+
importjava.util.List;
610
importorg.junit.jupiter.api.Test;
711

812
/**
@@ -37,4 +41,46 @@ void correctParamWithEmptyExpectedResult() {
3741
assertNotNull(abi);
3842
assertTrue(abi.isVerified());
3943
}
44+
45+
@Test
46+
voidcorrectContractCreation() {
47+
List<ContractCreation>contractCreations =getApi().contract()
48+
.contractCreation(Collections.singletonList("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413"));
49+
50+
assertEquals(1,contractCreations.size());
51+
ContractCreationcontractCreation =contractCreations.get(0);
52+
53+
assertEquals("0xbb9bc244d798123fde783fcc1c72d3bb8c189413",contractCreation.getContractAddress());
54+
assertEquals("0x793ea9692ada1900fbd0b80fffec6e431fe8b391",contractCreation.getContractCreator());
55+
assertEquals("0xe9ebfecc2fa10100db51a4408d18193b3ac504584b51a4e55bdef1318f0a30f9",contractCreation.getTxHash());
56+
}
57+
58+
@Test
59+
voidcorrectMultipleContractCreation() {
60+
List<ContractCreation>contractCreations =getApi().contract().contractCreation(
61+
Arrays.asList("0xBB9bc244D798123fDe783fCc1C72d3Bb8C189413","0x5EaC95ad5b287cF44E058dCf694419333b796123"));
62+
assertEquals(2,contractCreations.size());
63+
64+
ContractCreationcontractCreation1 =ContractCreation.builder()
65+
.withContractAddress("0xbb9bc244d798123fde783fcc1c72d3bb8c189413")
66+
.withContractCreator("0x793ea9692ada1900fbd0b80fffec6e431fe8b391")
67+
.withTxHash("0xe9ebfecc2fa10100db51a4408d18193b3ac504584b51a4e55bdef1318f0a30f9")
68+
.build();
69+
70+
ContractCreationcontractCreation2 =ContractCreation.builder()
71+
.withContractAddress("0x5eac95ad5b287cf44e058dcf694419333b796123")
72+
.withContractCreator("0x7c675b7450e878e5af8550b41df42d134674e61f")
73+
.withTxHash("0x79cdfec19e5a86d9022680a4d1c86d3d8cd76c21c01903a2f02c127a0a7dbfb3")
74+
.build();
75+
76+
assertTrue(contractCreations.contains(contractCreation1));
77+
assertTrue(contractCreations.contains(contractCreation2));
78+
}
79+
80+
@Test
81+
voidcontractCreationInvalidParamWithError() {
82+
assertThrows(EtherScanInvalidAddressException.class,
83+
() ->getApi().contract()
84+
.contractCreation(Collections.singletonList("0xBBbc244D798123fDe783fCc1C72d3Bb8C189414")));
85+
}
4086
}

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