@@ -7,6 +7,31 @@ import { withSpinner } from './spinner';
77
88const logger = debugFactory ( 'graph-cli:abi-helpers' ) ;
99
10+ const fetchFromEtherscan = async ( url : string ) : Promise < any | null > => {
11+ const result = await fetch ( url ) ;
12+ let json : any = { } ;
13+
14+ if ( result . ok ) {
15+ json = await result . json ( ) . catch ( error => {
16+ throw new Error ( `Failed to read JSON response from Etherscan: ${ error } ) ;
17+ } ) ;
18+
19+ // Etherscan returns a JSON object that has a `status`, a `message` and
20+ // a `result` field. The `status` is '0' in case of errors and '1' in
21+ // case of success
22+ if ( json . status === '1' ) return json ;
23+ }
24+
25+ logger (
26+ 'Failed to fetchFromEtherscan: [%s] %s (%s)\n%O' ,
27+ result . status ,
28+ result . statusText ,
29+ result . url ,
30+ json ,
31+ ) ;
32+ return null ;
33+ } ;
34+
1035export const loadAbiFromEtherscan = async (
1136 ABICtor : typeof ABI ,
1237 network : string ,
@@ -18,16 +43,14 @@ export const loadAbiFromEtherscan = async (
1843 `Warnings while fetching ABI from Etherscan` ,
1944 async ( ) => {
2045 const scanApiUrl = getEtherscanLikeAPIUrl ( network ) ;
21- const result = await fetch ( `${ scanApiUrl } ${ address } ) ;
22- const json = await result . json ( ) ;
46+ const json = await fetchFromEtherscan (
47+ `${ scanApiUrl } ${ address } ,
48+ ) ;
2349
24- // Etherscan returns a JSON object that has a `status`, a `message` and
25- // a `result` field. The `status` is '0' in case of errors and '1' in
26- // case of success
27- if ( json . status === '1' ) {
50+ if ( json )
2851 return new ABICtor ( 'Contract' , undefined , immutable . fromJS ( JSON . parse ( json . result ) ) ) ;
29- }
30- throw new Error ( 'ABI not found, try loading it from a local file' ) ;
52+
53+ throw new Error ( 'Try loading it from a local file' ) ;
3154 } ,
3255 ) ;
3356
@@ -62,11 +85,11 @@ export const fetchDeployContractTransactionFromEtherscan = async (
6285 address : string ,
6386) : Promise < string > => {
6487 const scanApiUrl = getEtherscanLikeAPIUrl ( network ) ;
65- const json = await fetchContractCreationHashWithRetry (
88+ const json = await fetchFromEtherscan (
6689 `${ scanApiUrl } ${ address } ,
67- 5 ,
6890 ) ;
69- if ( json . status === '1' ) {
91+
92+ if ( json ) {
7093 const hash = json . result [ 0 ] . txHash ;
7194 logger ( 'Successfully fetchDeployContractTransactionFromEtherscan. txHash: %s' , hash ) ;
7295 return hash ;
@@ -75,33 +98,13 @@ export const fetchDeployContractTransactionFromEtherscan = async (
7598 throw new Error ( `Failed to fetch deploy contract transaction` ) ;
7699} ;
77100
78- export const fetchContractCreationHashWithRetry = async (
79- url : string ,
80- retryCount : number ,
81- ) : Promise < any > => {
82- let json ;
83- for ( let i = 0 ; i < retryCount ; i ++ ) {
84- try {
85- const result = await fetch ( url ) ;
86- json = await result . json ( ) ;
87- if ( json . status !== '0' ) {
88- return json ;
89- }
90- } catch ( error ) {
91- logger ( 'Failed to fetchContractCreationHashWithRetry: %O' , error ) ;
92- /* empty */
93- }
94- }
95- throw new Error ( `Failed to fetch contract creation transaction hash` ) ;
96- } ;
97-
98101export const fetchTransactionByHashFromRPC = async (
99102 network : string ,
100103 transactionHash : string ,
101104) : Promise < any > => {
102105 let json : any ;
106+ const RPCURL = getPublicRPCEndpoint ( network ) ;
103107 try {
104- const RPCURL = getPublicRPCEndpoint ( network ) ;
105108 if ( ! RPCURL ) throw new Error ( `Unable to fetch RPC URL for ${ network } ) ;
106109 const result = await fetch ( String ( RPCURL ) , {
107110 method : 'POST' ,
@@ -120,7 +123,9 @@ export const fetchTransactionByHashFromRPC = async (
120123 return json ;
121124 } catch ( error ) {
122125 logger ( 'Failed to fetchTransactionByHashFromRPC: %O' , error ) ;
123- throw new Error ( 'Failed to fetch contract creation transaction' ) ;
126+ throw new Error (
127+ `Failed to run \`eth_getTransactionByHash\` on RPC (${ RPCURL } ,
128+ ) ;
124129 }
125130} ;
126131
@@ -129,14 +134,15 @@ export const fetchSourceCodeFromEtherscan = async (
129134 address : string ,
130135) : Promise < any > => {
131136 const scanApiUrl = getEtherscanLikeAPIUrl ( network ) ;
132- const result = await fetch (
137+ const json = await fetchFromEtherscan (
133138 `${ scanApiUrl } ${ address } ,
134139 ) ;
135- const json = await result . json ( ) ;
136- if ( json . status === '1' ) {
137- return json ;
138- }
139- throw new Error ( 'Failed to fetch contract source code' ) ;
140+
141+ // Have to check that the SourceCode response is not empty due to Etherscan API bug responding with
142+ // 1 - OK on non-valid contracts.
143+ if ( json . result [ 0 ] . SourceCode ) return json ;
144+
145+ throw new Error ( `Failed to fetch contract source code: ${ json . result [ 0 ] . ABI } ) ;
140146} ;
141147
142148export const getContractNameForAddress = async (
@@ -145,7 +151,13 @@ export const getContractNameForAddress = async (
145151) : Promise < string > => {
146152 try {
147153 const contractSourceCode = await fetchSourceCodeFromEtherscan ( network , address ) ;
148- const contractName = contractSourceCode . result [ 0 ] . ContractName ;
154+ let contractName : string = contractSourceCode . result [ 0 ] . ContractName ;
155+
156+ // Some explorers will return the full path of the contract instead of just the name
157+ // Example: contracts/SyncSwapRouter.sol:SyncSwapRouter
158+ if ( contractName . includes ( ':' ) )
159+ contractName = contractName . substring ( contractName . lastIndexOf ( ':' ) + 1 ) ;
160+
149161 logger ( 'Successfully getContractNameForAddress. contractName: %s' , contractName ) ;
150162 return contractName ;
151163 } catch ( error ) {
@@ -319,7 +331,7 @@ const getEtherscanLikeAPIUrl = (network: string) => {
319331 case 'arbitrum-nova' :
320332 return 'https://arbitrum-nova.abi.pinax.network/api' ;
321333 case 'soneium-testnet' :
322- return 'https://explorer-testnet.soneium.org /api' ;
334+ return 'https://soneium-minato.blockscout.com /api' ;
323335 case 'chiliz' :
324336 return 'https://scan.chiliz.com/api' ;
325337 case 'chiliz-testnet' :
@@ -338,6 +350,14 @@ const getEtherscanLikeAPIUrl = (network: string) => {
338350 return 'https://rootstock-testnet.blockscout.com/api' ;
339351 case 'unichain-testnet' :
340352 return 'https://unichain-sepolia.blockscout.com/api' ;
353+ case 'lens-testnet' :
354+ return 'https://block-explorer-api.testnet.lens.dev/api' ;
355+ case 'abstract-testnet' :
356+ return 'https://block-explorer-api.testnet.abs.xyz/api' ;
357+ case 'corn' :
358+ return 'https://maizenet-explorer.usecorn.com/api' ;
359+ case 'corn-testnet' :
360+ return 'https://testnet-explorer.usecorn.com/api' ;
341361 default :
342362 return `https://api-${ network } ;
343363 }
@@ -383,11 +403,11 @@ const getPublicRPCEndpoint = (network: string) => {
383403 case 'goerli' :
384404 return 'https://rpc.ankr.com/eth_goerli' ;
385405 case 'gnosis' :
386- return 'https://safe-transaction.gnosis.io ' ;
406+ return 'https://rpc.gnosischain.com ' ;
387407 case 'mainnet' :
388408 return 'https://rpc.ankr.com/eth' ;
389409 case 'matic' :
390- return 'https://rpc-mainnet.maticvigil. com' ;
410+ return 'https://polygon-rpc. com/ ' ;
391411 case 'mbase' :
392412 return 'https://rpc.moonbase.moonbeam.network' ;
393413 case 'mumbai' :
@@ -494,6 +514,14 @@ const getPublicRPCEndpoint = (network: string) => {
494514 return 'https://public-en.kairos.node.kaia.io' ;
495515 case 'unichain-testnet' :
496516 return 'https://sepolia.unichain.org' ;
517+ case 'lens-testnet' :
518+ return 'https://api.staging.lens.zksync.dev' ;
519+ case 'abstract-testnet' :
520+ return 'https://api.testnet.abs.xyz' ;
521+ case 'corn' :
522+ return 'https://maizenet-rpc.usecorn.com' ;
523+ case 'corn-testnet' :
524+ return 'https://testnet-rpc.usecorn.com' ;
497525 default :
498526 throw new Error ( `Unknown network: ${ network } ) ;
499527 }
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