BlockNumber

import * as BlockNumber from 'voltaire-effect/primitives/BlockNumber'
import * as Schema from 'effect/Schema'
import { Effect } from 'effect'

// Schema: number or bigint
const blockNum = Schema.decodeSync(BlockNumber.Number)(19000000)
const fromBigInt = Schema.decodeSync(BlockNumber.BigInt)(19000000n)

// Effect
const program = BlockNumber.from(19000000n)
// Effect.Effect<BlockNumberType, InvalidBlockNumberError>

const validateRange = (start: bigint, end: bigint) =>
  Effect.gen(function* () {
    const startBlock = yield* BlockNumber.from(start)
    const endBlock = yield* BlockNumber.from(end)
    if (startBlock > endBlock) {
      return yield* Effect.fail(new Error('Start must be <= end'))
    }
    return { start: startBlock, end: endBlock }
  })