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lnwire: document lnwire specific data structures

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Olaoluwa Osuntokun 2016-05-23 13:50:36 -07:00
parent a30831aef8
commit 2073fa42a7
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1 changed files with 34 additions and 11 deletions
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45
lnwire/lnwire.go
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@ -4,37 +4,60 @@ import (
"bytes" "bytes"
"encoding/binary" "encoding/binary"
"fmt" "fmt"
"io"
"github.com/roasbeef/btcd/btcec" "github.com/roasbeef/btcd/btcec"
"github.com/roasbeef/btcd/txscript"
"github.com/roasbeef/btcd/wire" "github.com/roasbeef/btcd/wire"
"github.com/roasbeef/btcutil" "github.com/roasbeef/btcutil"
"io"
"io/ioutil"
) )
var MAX_SLICE_LENGTH = 65535 // MaxSliceLength is the maximum allowed lenth for any opaque byte slices in
// the wire protocol.
const MaxSliceLength = 65535
// Actual pkScript, not redeemScript // PkScript is simple type definition which represents a raw serialized public
// key script.
type PkScript []byte type PkScript []byte
// HTLCKey is an identifier used to uniquely identify any HTLC's transmitted
// between Alice and Bob. In order to cancel, timeout, or settle HTLC's this
// identifier should be used to allow either side to easily locate and modify
// any staged or pending HTLCs.
// TODO(roasbeef): change to HTLCIdentifier?
type HTLCKey int64 type HTLCKey int64
// CommitHeight is an integer which represents the highest HTLCKey seen by
// either side within their commitment transaction. Any addition to the pending,
// HTLC lists on either side will increment this height. As a result this value
// should always be monotonically increasing. Any CommitSignature or
// CommitRevocation messages will reference a value for the commitment height
// up to which it covers. HTLC's are only explicltly excluded by sending
// HTLCReject messages referencing a particular HTLCKey.
type CommitHeight uint64 type CommitHeight uint64
// Subsatoshi amount (Micro-Satoshi, 1/1000th) // CreditsAmount are the native currency unit used within the Lightning Network.
// Should be a signed int to account for negative fees // Credits are denominated in sub-satoshi amounts, so micro-satoshis (1/1000).
// This value is purposefully signed in order to allow the expression of negative
// fees.
// //
// "In any science-fiction movie, anywhere in the galaxy, currency is referred // "In any science-fiction movie, anywhere in the galaxy, currency is referred
// to as 'credits.'" // to as 'credits.'"
// --Sam Humphries. Ebert, Roger (1999). Ebert's bigger little movie // --Sam Humphries. Ebert, Roger (1999). Ebert's bigger little movie
// glossary. Andrews McMeel. p. 172. // glossary. Andrews McMeel. p. 172.
// //
// https:// en.wikipedia.org/wiki/List_of_fictional_currencies // https://en.wikipedia.org/wiki/List_of_fictional_currencies
// https:// en.wikipedia.org/wiki/Fictional_currency#Trends_in_the_use_of_fictional_currencies // https://en.wikipedia.org/wiki/Fictional_currency#Trends_in_the_use_of_fictional_currencies
// http:// tvtropes.org/pmwiki/pmwiki.php/Main/WeWillSpendCreditsInTheFuture // http://tvtropes.org/pmwiki/pmwiki.php/Main/WeWillSpendCreditsInTheFuture
type CreditsAmount int64 // Credits (XCB, accountants should use XCB :^)
// US Display format: 1 BTC = 100,000,000'000 XCB // US Display format: 1 BTC = 100,000,000'000 XCB
// Or in BTC = 1.00000000'000 // Or in BTC = 1.00000000'000
// Credits (XCB, accountants should use XCB :^)
type CreditsAmount int64
//Rounds down // ToSatoshi converts an amount in Credits to the coresponding amount
// expressed in Satoshis.
//
// NOTE: This function rounds down by default (floor).
func (c CreditsAmount) ToSatoshi() int64 { func (c CreditsAmount) ToSatoshi() int64 {
return int64(c / 1000) return int64(c / 1000)
} }