@polkadot/api 3.6.1

v3.6.1

on Node.js NPM

Upgrade priority: Medium if not already on at least 3.3.1. The next upgrade of Kusama/Polkadot requires it.

• Breaking change To support chains with multiple tokens, such as bridges, the ChainProperties type now returns an array of tokens and decimals (instead of singular values) in the token{Decimals, Symbol} getters. Additionally, this means that the registry interfaces has been changes, to registry.chainDecimals: number[] and registry.chainTokens: string[]. Where used the [0] index will return the first value if only interested in a single, for a straight conversion.

Changes:

• Allow for the detection of on-chain capabilities as available (e.g. AccountData, ValidatorPrefs)
• Cater for multiple tokens and decimals in the chain the chain system.properties (as per the chain specification)
• Add a instances: { [key]: [module1, module2] } definition in teh bundle types, allowing for multiple instances (e.g. Balances)
• Adjust the api-derive for balances to retrieve values via instances as well as across multiple modules
• Ensure all types are registered for all metadata typegen steps
• Add rpc.payment.queryFeeDetails RPC endpoint
• Update types & metadata to latest Substrate
• Move the @polkadot/x-rxjs package into the common repo
• Allow doc generation for errors/events (markdown outputs)