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15 Questions

Votes Activity Newest Views

votes

answer

views

can contract check mining of certain transaction in real time?

erc-20

Mar 12 '20 at 23:02 Community♦ 1

vote

answers

583

views

Is it possible to make approve and transferfrom in single transaction?

solidity erc-20

Oct 10 at 18:00 Community♦ 1

vote

answer

views

When I tap buy button in market how does wallet check my allowance instantly?

solidity erc-20 metamask cryptokitties transferfrom

Mar 31 '20 at 13:02 Community♦ 1

vote

answer

views

Can I make a ERC20 transer after receiving and before N confirmations?

erc-20

Mar 16 '20 at 7:01 Community♦ 1

vote

answer

views

Do dapps(contract) check allowance of buyer when he calls buy function?

solidity transactions erc-20 transferfrom allowance

Nov 7 '19 at 5:02 Community♦ 1

vote

answer

views

How does contract of dapp figure out who buyer is?

transactions contract-design erc-20 contract-invocation

Apr 29 '19 at 8:44 Rob Hitchens 44.8k

votes

answers

views

Who pay gas for multi-sig tx? Is this customizable?

solidity gas multisignature

May 3 at 8:42 yseek 75

votes

answers

views

How to implement multi-sig that allows only specific signer to pay gas

contract-design gas multisignature

Apr 29 at 0:45 yseek 75

votes

answer

views

Is it possible to give away ownership to another user regardless of dApp UI?

erc-20

Aug 9 '19 at 4:14 Mikhail Vladimirov 5,389

votes

answers

views

If I deposit A-tokens to contract, then contract owns A-tokens?

erc-20

May 22 '19 at 8:29 yseek 75

votes

answers

views

Let's suppose here are 2 EOA(A and B) and 1 contract

erc-20

May 22 '19 at 2:32 yseek 75

votes

answer

views

can A call approve B to spend token though A have no tokens in his account?

erc-20

May 16 '19 at 18:27 Rob Hitchens 44.8k

votes

answer

views

If i pay some service on certain dapp, does this tx can be reverted because of confirmation?

blockchain erc-20

May 16 '19 at 5:38 Lauri Peltonen 16.3k

votes

answer

views

I call buy function but another user pay token on behalf of me

erc-20

Apr 30 '19 at 5:38 Jaime 7,010

votes

answers

views

Is it possible to transfer ETH(not erc20) by approve+transferfrom?

erc-20

Apr 29 '19 at 8:00 Elisha Drion 2,411

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15 Questions

can contract check mining of certain transaction in real time?

Is it possible to make approve and transferfrom in single transaction?

When I tap buy button in market how does wallet check my allowance instantly?

Can I make a ERC20 transer after receiving and before N confirmations?

Do dapps(contract) check allowance of buyer when he calls buy function?

How does contract of dapp figure out who buyer is?

Who pay gas for multi-sig tx? Is this customizable?

How to implement multi-sig that allows only specific signer to pay gas

Is it possible to give away ownership to another user regardless of dApp UI?

If I deposit A-tokens to contract, then contract owns A-tokens?

Let's suppose here are 2 EOA(A and B) and 1 contract

can A call approve B to spend token though A have no tokens in his account?

If i pay some service on certain dapp, does this tx can be reverted because of confirmation?

I call buy function but another user pay token on behalf of me

Is it possible to transfer ETH(not erc20) by approve+transferfrom?