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Results tagged with solidity
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user 20659
Solidity is a contract-oriented, high-level language whose syntax is similar to that of JavaScript and it is designed for writing smart contracts in Ethereum to run on the EVM. Solidity is statically typed, supports inheritance, libraries and complex user-defined types among other features.
1
vote
My Smart contract did not send decimals token
Besides, solidity does not yet implement the float type. …
- 574
1
vote
Accepted
Schedule an execution of a function in Solidity
It's not possible to schedule a future execution from Solidity.
However, its possible to schedule a future execution from outside Ethereum. …
- 574
3
votes
Is it possible to interact with a contract deployed within another contract via web3js?
Yes its possible.
Web3.js doesnt care how the contract was deployed. It just needs:
- the contract ABI
- the contract address
- and a provider to transport requests to the Ethereum Blockchain
Now …
- 574
3
votes
Accepted
Error: The current provider doesn't support subscriptions: MetamaskInpageProvider
There are some issues with the way metamask handles events currently.
Until those issues are solved you can try use another provider just for handling events. You would need to instantiate another we …
- 574
2
votes
Truffle deploy via Infura : does it work?
Yes you can. From web3 docs:
In order to transact with Infura nodes, you will need to create and
sign transactions offline before sending them, as Infura nodes have no
visibility of your encry …
- 574
0
votes
How to debug transaction from truffle test on development network
If you defined a development network in your truffle-config, Ganache will use it for tests:
truffle-config.js:
module.exports = {
networks: {
development: {
host: "localhost",
port …
- 574
3
votes
Is there a way to capture the require / revert failure reason?
In your web3 code, you can use a try/catch block, and parse the thrown error:
try {
const receipt = await web3.methods.foo().send(...);
...
} catch (e) {
//parse e here, the reason will be insi …
- 574
1
vote
Accepted
Multiple web3 instances on a Single Page
Yes it is possible to run 2 instances of web3.js. I am not aware of any naming convention for each web3 instance.
On the readme of web3 on github
(https://github.com/ethereum/web3.js/blob/develop/R …
- 574