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Results tagged with web3js
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user 23608
Javascript API and library for Ethereum To develop applications on Ethereum, you can use the web3 object provided by the web3.js library. Under the hood it communicates to a local node through RPC calls. web3.js works with any Ethereum node, which exposes an RPC layer. https://github.com/ethereum/wiki/wiki/JavaScript-API
0
votes
Web3 dealing with decimals in ERC20
Javascript's Number type should not be used to handle Ethereum amounts, which generally are uint256 (256 bits unsigned integers), because for really large values Number would overflow.
For this reason …
16
votes
Invalid Address Error when interacting with a smart contract with metamask
I had the same problem when testing the contract from 'geth console'.
I found out the problem was not having set the default account. You have to assign a default account and unlock it, like this:
w …