Feed 'R' - Settlement requests

Settlement request feed

Requests

Feed handling

settlementRequest = [
  0: counterpartyId (Efx::ClientId)
  1: currencyName (string)
  2: flags (unsigned int16)
  3: amount (Efx::Size)
  4: comment (string)
  5: expirationTimestamp(Efx::Timestamp)
  6: network (string)
  7: requestId (unsigned int64)
  8: creationTimestamp(Efx::Timestamp)
]

For detailed settlement requests description

settlementRequests

// snapshot
['R', 0, 'S', [
  array of incoming settlementRequest,
  array of outgoing settlementRequest
]]

// add new settlement requests
['R', 0, '+', [
  array of new incoming settlementRequest,
  array of new outgoing settlementRequest
]]

// remove settlement requests
['R', 0, '-', [
  array of removed incoming settlementRequest,
  array of removed outgoing settlementRequest
]]

// failed to subscribe
['R', 0, 'Z', 2]

// unsubscribed
['R', 0, 'U', 0]

applyToSnapshot(prevSnapshot, feed, action, data) {
    switch (feed) {
        case 'R': {
            switch (action) {
                case 'S' : {
                    return [[...data[0]], [...data[1]]]
                }
                case '+' : {
                    for (let incoming of data[0]) {
                        prevSnapshot[0].push(incoming)
                    }
                    for (let outgoing of data[1]) {
                        prevSnapshot[1].push(outgoing)
                    }
                    break
                }
                case '-' : {
                    for (let incoming of data[0]) {
                        for (var i in prevSnapshot[0]) {
                            if (prevSnapshot[0][i][0] == incoming[0] &&
                                prevSnapshot[0][i][1] == incoming[1]) {
                                prevSnapshot[0].splice(i, 1)
                                break
                            }
                        }
                    }
                    for (let outgoing of data[1]) {
                        for (var i in prevSnapshot[1]) {
                            if (prevSnapshot[1][i][0] == outgoing[0] &&
                                prevSnapshot[1][i][1] == outgoing[1]) {
                                prevSnapshot[1].splice(i, 1)
                                break
                            }
                        }
                    }
                    break
                }
            }
            break
        }
    }
    return prevSnapshot
}

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Last updated 1 year ago