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yseek

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13 Questions

Views Newest Activity Votes

vote

answers

views

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

solidity erc-20

Jun 5 at 7:03 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

May 18 at 14:39 shane 3,055

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answer

views

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

solidity transactions erc-20 transferfrom allowance

May 18 at 14:36 shane 3,055

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answer

views

can contract check mining of certain transaction in real time?

erc-20

May 18 at 7:31 Mikhail Vladimirov 2,398

vote

answer

views

How does contract of dapp figure out who buyer is?

transactions contract-design erc-20 contract-invocation

Apr 29 at 8:44 Rob Hitchens - B9lab 31.9k

votes

answers

views

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

erc-20

May 22 at 8:29 yseek 30

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answers

views

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

erc-20

May 22 at 2:32 yseek 30

votes

answer

views

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

erc-20

May 17 at 20:31 Ismael 16.5k

votes

answer

views

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

erc-20

May 16 at 18:27 Rob Hitchens - B9lab 31.9k

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 at 5:38 Lauri Peltonen 7,093

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answer

views

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

erc-20

May 1 at 13:24 Mikhail Vladimirov 2,398

votes

answer

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

erc-20

Apr 30 at 5:38 Jaime 5,966

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answers

views

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

erc-20

Apr 29 at 8:00 Eli Drion 2,291

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13 Questions

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?

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

can contract check mining of certain transaction in real time?

How does contract of dapp figure out who buyer is?

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

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?

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

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

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