Questions tagged [state-channels]

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What is missing to make a successful payment between payer and recipient?

I tested both signing payment and signature verification that is implemented by JavaScript and EthereumJS here: And both of them (signing and verification) properly work, meaning that I am sure the ...
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which is a better method to use for signing messages between two parties in web3?

I have been searching for a while for the most secure and supported way for off-chain channel messaging.....so i was using web3.eth.sign(address, keccak256(msg)) for singing messages ....but then used ...
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“UPDATED : ” “VM Exception while processing transaction: revert”

I tested signature verification of the code presented HERE as follows: running testRPC : root@ubuntu:/home/s# testrpc EthereumJS TestRPC v6.0.3 (ganache-core: 2.0.2) Available Accounts =============...
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TypeError: No matching declaration found after argument-dependent lookup

ERROR:TypeError: No matching declaration found after argument-dependent lookup.require (positionIsInBounds(xpos,ypos)); ^-----^ pragma solidity ^0.5.1; contract TicTacToe { //addresses of ...