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user824624
  • Member for 6 years, 7 months
  • Last seen more than 1 year ago
9 votes
3 answers
22k views

how to know the contract address which truffle is deploying with

7 votes
1 answer
8k views

Provided address is invalid, the capitalization checksum test failed, or its an indrect IBAN address which can't be converted

6 votes
3 answers
9k views

do I need to use ws provider in order to watch events?

4 votes
2 answers
1k views

should we create a contract instance every time we interact with the contract?

3 votes
1 answer
5k views

web3.eth.getBalance returns me the strange values ?

3 votes
1 answer
2k views

any web3 event callback to notify the account balance change

3 votes
1 answer
2k views

why ERC20 standard doesn't have any method to remove the spender allowanceļ¼Ÿ

2 votes
2 answers
696 views

how to build and use the local wallet with raw transaction?

2 votes
3 answers
1k views

can not receive the event?

1 vote
1 answer
1k views

crypto library not found in ethereumjs-wallet

1 vote
2 answers
1k views

how to import the wallet generated from geth into parity through the passphase?

1 vote
2 answers
1k views

Property 'personal' does not exist on type 'Web3' by using web3.personal.unlockAccount()

1 vote
1 answer
8k views

how to get the payment with ethermine.org

1 vote
1 answer
668 views

how to buy eth to my metamask 's wallet in private network?

1 vote
1 answer
244 views

can not open parity after remove some old sst files

1 vote
1 answer
128 views

how a contract with only interface (no implementation) being called by another contract?

1 vote
1 answer
123 views

How can I search the latest transaction of specific account in a ERC20 contract?

1 vote
1 answer
3k views

can not connect to infura service in web3.js?

0 votes
1 answer
2k views

how to to check the expiry in the contract?

0 votes
1 answer
2k views

metamask can't connect to local testnet in geth

0 votes
1 answer
200 views

adding the contract value but still not changed

0 votes
1 answer
138 views

Invalid number of arguments to Solidity at InvalidNumberOfSolidityArgs

0 votes
2 answers
511 views

how localethereum works with its browser wallet

0 votes
1 answer
56 views

what is the use of new() and at()