August 2018
Intermediate to advanced
404 pages
11h 19m
English
Content preview from Ethereum Cookbook
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BTC Relay
To read bitcoin transactions from Ethereum, you can use the service provided by BTC Relay. It is a smart contract in Ethereum that stores Bitcoin block headers. BTC Relay uses this block header data to build a miniature version of the Bitcoin blockchain in Ethereum. You can use this information to verify a Bitcoin transaction from your Ethereum contract. Follow these steps to understand more about the service:
- BTC relay is available as a service in the Ethereum main network and you can achieve the following functionalities with it:
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- Storing Bitcoin block header data
- Relaying Bitcoin transactions to an Ethereum contract
- Verifying a Bitcoin transaction
- To verify a Bitcoin transaction, you can use the verifyTx function included ...