neptune/ghost-keychain
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

Update README.md (#378)

Browse Source
This commit is contained in:
Jaco Greeff 2020-06-28 08:23:10 +02:00 committed by GitHub
parent 30f1841ddb
commit dacfa62052
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
packages/extension-dapp/README.md
View File

@ -26,21 +26,15 @@ const allAccounts = await web3Accounts();
// finds an injector for an address
const injector = await web3FromAddress('5DTestUPts3kjeXSTMyerHihn1uwMfLj8vU8sqF7qYrFabHE');
// sets the signer for the address on the @polkadot/api
// sets the signer for the address on the @polkadot/api. The alternative approach it to pass the signer through
// options to signAndSend in the next step where we are sending (and skip this injection here), e.g
// `.signAndSend(<address>, { signer: injector.signer }, (status) => { ... })`
api.setSigner(injector.signer);
// sign and send out transaction - notice here that the address of the account (as retrieved injected)
// sign and send our transaction - notice here that the address of the account (as retrieved injected)
// is passed through as the param to the `signAndSend`, the API then calls the extension to present
// to the user and get it signed. Once completex, the api sends the tx + signature via the normal process
// to the user and get it signed. Once complete, the api sends the tx + signature via the normal process
api.tx.balances
.transfer('5C5555yEXUcmEJ5kkcCMvdZjUo7NGJiQJMS7vZXEeoMhj3VQ', 123456)
.signAndSend('5DTestUPts3kjeXSTMyerHihn1uwMfLj8vU8sqF7qYrFabHE', (status) => { ... });
// retrieve all the RPC providers from a particular source. this returns a map
// of string->ProviderMeta, where the string represents an unique key to identify
// a provider, and ProviderMeta shows metadata about this provider
const allProviders = web3ListRpcProviders('polkadot-js');
// assuming one of the keys in `allProviders` is 'kusama-cc3', we can then use that provider
const { provider } = web3UseRpcProvider('polkadot-js', 'kusama-cc3');
const head = await provider.send('chain_getHeader', []); // shows latest header
```