Linked Questions
12 questions linked to/from Calling function from deployed contract
6
votes
1
answer
4k
views
how to import an already deployed contract into my contract [duplicate]
I have two smart contracts, the first which i intend to deploy first then after a couple of days the other will follow. my issue is how to import this contract i have already deployed and use its ...
0
votes
1
answer
2k
views
How to call a function from deployed contract to another contract? [duplicate]
I created a basic ERC20 token contract and deployed in rinkeby testnet and I got the contract address now I want to call transfer() function from this deployed contract to another contract without ...
18
votes
2
answers
18k
views
Call contract and send value from Solidity
I have a pre-deployed contractA with known ABI. I would like to call function func1(string,string) in the contractA (and pass the arguments) from a new contractB and send some value at the same time. ...
- 442
19
votes
2
answers
19k
views
Whats the difference between .call.value() and .call.value()()
contract Test {
function Test(){
msg.sender.call.value(0);
msg.sender.call.value(0)();
}
}
Whats the difference here between the first and second call? My hunch is the 1st ...
- 1,928
12
votes
1
answer
8k
views
How to call a library contract
library ECVerify is deployed on 0x3bbb367afe5075e0461f535d6ed2a640822edb1c on the Ropsten test net.
How do I call function ecverify(bytes32 hash, bytes sig, address signer) returns (bool) {} in that ...
- 613
8
votes
1
answer
6k
views
How can a deployed contract call another deployed contract by _interface_ and address?
There is a nice article about writing upgradable Solidity code article about writing upgradable Solidity code
The question is however (ref the article) if ITokenLedger is intentionally "contract" and ...
5
votes
1
answer
6k
views
How to call a function from an already deployed contract?
I tried to use the function "Call", as described here: Calling function from deployed contract
But seems it is not working at all.
How can I call a function from an existing deployed smart contract?
...
- 533
0
votes
2
answers
552
views
Calling a function in external contract: "type bool is not implicitly convertible to uint256"
I have an ERC20 token contract (say at address 0x0a6ebb3690b7983e470D3aBFB86636cf64925B98) with the totalSupply() function:
function totalSupply() constant returns (uint256) {
return ...
- 1,358
2
votes
1
answer
263
views
Calling deployed contract with calldata and without interface
I want to call the Seaport contract (SeaportContract), more precisely the fulfillBasicOrder function but I have some problems.
First I know that in order to call another function contract we need to ...
- 213
1
vote
1
answer
413
views
How do I watch Events from multiple contracts
I wrote a script that is able to read events from one contract address and then paste it into a .csv. Now I would like to extend that script listening watching/reading the same event of several ...
- 61
2
votes
2
answers
71
views
Is it possible to implement the essence of smart-contract into another one before deploying the first one?
My question means for example that the primary contract stores names of secondary contracts, for example like this:
mapping (address => string) secondaryContractNames;
I know we can in the ...
- 149
0
votes
2
answers
58
views
Can i use a contract which is deployed
I just have a question in my mind. can I use the contracts which are already deployed so that I can use them without even myself have to deploy it again.
For example, take SafeMath I think I would ...
- 327