Add spendable state

Author: sethforprivacy

bip-0329.mediawiki

@@ -62,6 +62,9 @@ Each JSON object must contain 3 or 4 key/value pairs, defined as follows:
 |-
 | <tt>origin</tt>
 | Optional key origin information referencing the wallet associated with the label
+|-
+| <tt>spendable</tt>
+| One of <tt>true</tt> or <tt>false</tt>, denoting if an output should be spendable by the wallet
 |}
 
 The reference is defined for each <tt>type</tt> as follows:
@@ -110,6 +113,7 @@ For security reasons no private key types are defined.
 * An importing wallet may ignore records it does not store, and truncate labels if necessary. A suggested default for maximum label length is 255 characters, and an importing wallet should consider warning the user if truncation is applied.
 * Wallets importing public key records may derive addresses from them to match against known wallet addresses.
 * Wallets importing extended public keys may match them against signers, for example in a multisig setup.
+* Wallets importing outputs should respect the <tt>spendable</tt> state, defaulting to <tt>true</tt> if none is found
 
 ==Backwards Compatibility==
 
@@ -124,7 +128,7 @@ The following fragment represents a wallet label export:
 { "type": "addr", "ref": "bc1q34aq5drpuwy3wgl9lhup9892qp6svr8ldzyy7c", "label": "Address" }
 { "type": "pubkey", "ref": "0283409659355b6d1cc3c32decd5d561abaac86c37a353b52895a5e6c196d6f448", "label": "Public Key" }
 { "type": "input", "ref": "f91d0a8a78462bc59398f2c5d7a84fcff491c26ba54c4833478b202796c8aafd:0", "label": "Input" }
-{ "type": "output", "ref": "f91d0a8a78462bc59398f2c5d7a84fcff491c26ba54c4833478b202796c8aafd:1", "label": "Output" }
+{ "type": "output", "ref": "f91d0a8a78462bc59398f2c5d7a84fcff491c26ba54c4833478b202796c8aafd:1", "label": "Output" , "spendable" : "false" }
 { "type": "xpub", "ref": "xpub661MyMwAqRbcFtXgS5sYJABqqG9YLmC4Q1Rdap9gSE8NqtwybGhePY2gZ29ESFjqJoCu1Rupje8YtGqsefD265TMg7usUDFdp6W1EGMcet8", "label": "Extended Public Key" }
 { "type": "tx", "ref": "f546156d9044844e02b181026a1a407abfca62e7ea1159f87bbeaa77b4286c74", "label": "Account #1 Transaction", "origin": "wpkh([d34db33f/84'/0'/1'])" }
 </pre>