Namespace Storage

Storage queries reference

Each item described here is a StorageDescriptor<[Args, ReturnType, Optional>
For example, System.Account is of type

Account: StorageDescriptor<[Key: SS58String], {
consumers: number;
data: {
flags: bigint;
free: bigint;
frozen: bigint;
reserved: bigint;
};
nonce: number;
providers: number;
sufficients: number;
}, false>

and can be queried via

const account = await api.query.System.Account.getValue("<AccountId>")
console.log(account.data.free)

PAPI docs on storage queries for more

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