Recent questions tagged blockchain

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blockchain - Deployment Failed: Unknown Error: project ID does not have access to archive state

I was trying to deploy smart contracts using Truffle. Error: *** Deployment Failed *** "Token" -- Unknown Error: ... -unknown-error-project-id-does-not-have-access-to-archive-sta...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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981 views

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blockchain - how smart contracts are Self-verifying?

I'm new in Smart Contracts and i need help to understand what does mean exactly by : Smart contracts ... stackoverflow.com/questions/65859880/how-smart-contracts-are-self-verifying...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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929 views

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blockchain - differences in terms of api supported by full node vs light node

Are there any differences on the API supported by full node vs light node in Ethereum? question from:https://stackoverflow. ... in-terms-of-api-supported-by-full-node-vs-light-node...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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908 views

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blockchain - Tezos Terminology: what is the difference between Private Nodes, Public Nodes and Bakers?

What is the key difference between Private Nodes, Public Nodes and Bakers in terms of Tezos Blockchain Network? I ... -what-is-the-difference-between-private-nodes-public-nodes-an...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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blockchain - my smart contract is not responding and error saying web3 is not defined

[error saying web3 is not defined][1]<script> var myContract; async function CheckMetamaskConnection() { // Modern dapp ... -is-not-responding-and-error-saying-web3-is-not-defined...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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874 views

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blockchain - Why blocks dont finalized

We have substrate node with babe + grandpa consensus. We tried to run it on different computers and ... https://stackoverflow.com/questions/65934347/why-blocks-dont-finalized...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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896 views

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blockchain - Regular, repeating, interaction between an oracle and a smart contract

This is just an example. I'm building this dapp where I have a start date and an end date and ... /65944313/regular-repeating-interaction-between-an-oracle-and-a-smart-contract...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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874 views

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blockchain - interaction with smart contract oracle

Is it possible for a smart contract to make calls to the Oracle in loop (as long as a condition ... ://stackoverflow.com/questions/65947123/interaction-with-smart-contract-oracle...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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blockchain - Create channel in hyperledger fabric

We have using this cmd for creating channel as: $ ./network.sh up createChannel -c mychannel -ca ... ://stackoverflow.com/questions/65682235/create-channel-in-hyperledger-fabric...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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blockchain - How to deploy locked contract on NEAR

near deploy command requires full access key to the account it deploys to. How does one create new account and ... .com/questions/65670738/how-to-deploy-locked-contract-on-near...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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833 views

1 answer

blockchain - How do I install the Rust crate in3?

This question already has an answer here: question from:https://stackoverflow.com/questions/65649585/how-do-i-install-the-rust-crate-in3...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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848 views

1 answer

blockchain - Tendermint to run on Android phone

Is it possible to use gomobile to compile Tendermint and ABCI, then we can run them on Android phones? ... /stackoverflow.com/questions/65661200/tendermint-to-run-on-android-phone...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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blockchain - Convert Ethereum or Bitcoin address to Polkadot or Substrate-based address

I would like to convert user's Ethereum address for example(0xc5D3a7d27DbDe23A7FC5E53F1a6f17F38C03194F) to substrate ... bitcoin-address-to-polkadot-or-substrate-based-address...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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865 views

1 answer

blockchain - Integrating ERC20 Token In Audio Streaming Website

I run an audio streaming platform that is based on php. It has web, iOS and Android clients. I ... .com/questions/66055386/integrating-erc20-token-in-audio-streaming-website...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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blockchain - how to interact with an already deployed smart contract

I was reading this contract that I found in the solidity documentation and I assume this contract is unique and ... 66055850/how-to-interact-with-an-already-deployed-smart-contract...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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835 views

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blockchain - Integrating ERC20 Token In Audio Streaming Website

I run an audio streaming platform that is based on php. It has web, iOS and Android clients. I ... .com/questions/66055386/integrating-erc20-token-in-audio-streaming-website...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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858 views

1 answer

blockchain - how to interact with an already deployed smart contract

I was reading this contract that I found in the solidity documentation and I assume this contract is unique and ... 66055850/how-to-interact-with-an-already-deployed-smart-contract...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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blockchain - Is there a way to use multisig without smart contracts on Ethereum?

I have already found many wallets that offer multisig smart contract deployment. But this way is very expensive and ... -a-way-to-use-multisig-without-smart-contracts-on-ethereum...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.8k views

1 answer

blockchain - Tron Web - Validate TransferContract error, no OwnerAccount (Tron Link)

I am developing a block chain web application using Tron Web. I have followed the document but getting below error while ... 10) Kindly check and let me know what am i missing...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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822 views

1 answer

blockchain - Limits of a decentralised app due to racketeering by miners?

I'm learning about blockchain (finally). I like the idea of a decentralised app, especially for things like a ... to racketeering by those who get paid to process transactions....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

blockchain - how to write a function in chaincode that simply count the total records and return total number.hyperledger fabric

For example, we have a bank record, we use a query to get all the bank's record, I just wanted to create a function who simply return the total bank record and return number only...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

blockchain - How to connect to TronLink?

I am new in tron. Can we check default tron wallet address using any free api from server side? Will it work ... ) { console.log("address", window.tronWeb.defaultAddress.base58) }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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blockchain - Error while trying to get Rinkeby testnet ethers, "No ethereum address found to fund"

The Rinkeby faucet is not working for some reasons. I've tried some other websites too, but ... my address 0xcba659d3a182EC0A8D69159DA02C90690c440887 Thank you very very much!!...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

blockchain - Using disabled Bitcoin opcodes locally

Is there a way of using disabled Bitcoin script opcodes on a local simulated Bitcoin blockchain (without using an old ... solution would be to switch to Bitcoin Cash, I guess?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

blockchain - Does CEXIO support withdraw and deposit via API?

.Found similar methods for Kraken but can't seem to find them in CEXIO REST and WebSocket documentation...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

blockchain - Create channel in hyperledger fabric

We have using this cmd for creating channel as: $ ./network.sh up createChannel -c mychannel -ca But, We got this ... new in hyperledger fabric. What is solution of above issue???...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

blockchain - Create channel in hyperledger fabric

We have using this cmd for creating channel as: $ ./network.sh up createChannel -c mychannel -ca But, We got this ... new in hyperledger fabric. What is solution of above issue???...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

3.6k views

1 answer

blockchain - Deployment Failed: Unknown Error: project ID does not have access to archive state

I was trying to deploy smart contracts using Truffle. Error: *** Deployment Failed *** "Token" -- Unknown Error: {"jsonrpc": ... {} }. Please let me know the reason of this error....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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