diff options
| author | Justus Ranvier <justusranvier@riseup.net> | 2015-06-22 07:19:30 -0500 |
|---|---|---|
| committer | Justus Ranvier <justusranvier@riseup.net> | 2015-07-10 12:36:02 -0500 |
| commit | 114ed229d36733df108808df2a45f7822b643306 (patch) | |
| tree | 0a83335622c1280256d9357a2bfefb6df036d822 /bip-0047.mediawiki | |
| parent | 1612a0016a21d72a67886661913002ccdc4b839f (diff) | |
Correct serialization
Since the length of the data encoded by base58check affects the version
byte needed to produce a desired leading character, fix the length of
the payment code at 80 bytes, and correct the version byte to 0x23
Diffstat (limited to 'bip-0047.mediawiki')
| -rw-r--r-- | bip-0047.mediawiki | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/bip-0047.mediawiki b/bip-0047.mediawiki index ab005b4..fd89297 100644 --- a/bip-0047.mediawiki +++ b/bip-0047.mediawiki @@ -33,9 +33,7 @@ Each level has a special meaning, described in the chapters below. ===Purpose=== -Purpose is a constant set following the BIP43 recommendation to: the ASCII value of "47" with the most signifigant bit set to indicate hardened derivation (0x8000002F). It indicates that the subtree of this node is used according to this specification. - -Hardened derivation is used at this level. +Purpose is a constant set to 47' (or 0x8000002F) following the BIP43 recommendation. It indicates that the subtree of this node is used according to this specification. ===Coin type=== @@ -64,13 +62,13 @@ A payment code contains the following elements: * Byte 2: sign. required value: 0x02 or 0x03 * Bytes 3 - 34: x value * Bytes 35 - 66: chain code -* Bytes 67 - 79: optional. reserved for future expansion +* Bytes 67 - 79: reserved for future expansion, zero-filled unless otherwise noted ====Base58 Serialization==== When a payment code is presented to the user, it SHOULD be presented encoded in Base58Check form. -* The version byte is: 0x37 (produces a "P" as the first character of the serialized form) +* The version byte is: 0x23 (produces a "P" as the first character of the serialized form) * The payload is the binary serialization of the payment code ===Protocol=== @@ -211,8 +209,8 @@ A recipient specifies their preference for alternate notification by setting the A recipient prefers to receive notifications via Bitmessage indiates this preference by: * Setting bit 0 of the features byte to 1 -* Appending a byte containing the desired Bitmessage address version to the payment code at byte 67 -* Appending a byte containing the desired Bitmessage stream number to the payment code at byte 68 +* Setting byte 67 of the serialized payment code to the desired Bitmessage address version +* Setting byte 67 of the serialized payment code to the desired Bitmessage stream number The sender uses this information to construct a valid notification Bitmessage address: |