April 2017
Intermediate to advanced
266 pages
7h 4m
English
Content preview from Building Blockchain Projects
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Launching nodes
Now we have all basic requirements ready to launch our validating nodes. In the first shell, run this command to launch the first validating node:
parity --chain spec.json -d ./validator0 --force-sealing --engine-signer "0x831647ec69be4ca44ea4bd1b9909debfbaaef55c" --port 30300 --jsonrpc-port 8540 --ui-port 8180 --dapps-port 8080 --ws-port 8546 --jsonrpc-apis web3,eth,net,personal,parity,parity_set,traces,rpc,parity_accounts --password "node.pwds"
Here is how the preceding command works:
- --chain is used to specify the path of the specification file.
- -d is used to specify the data directory.
- --force-sealing ensures that blocks are produced even if there are no transactions.
- --engine-signer is used to specify the address using ...