Address: Change discoverMeta to classifyVersion and add a general address validation example

This commit is contained in:
Braydon Fuller 2014-12-11 10:42:10 -05:00
parent 3b061b057f
commit 56161676c3
2 changed files with 24 additions and 18 deletions

View File

@ -7,8 +7,8 @@ Wiki](https://en.bitcoin.it/wiki/Address) for more information.
## Instantiate an Address
To be able to receive bitcoin an address is needed, here is how to create an
address from a new private key. Please see the [`PrivateKey`](PrivateKey.md) docs
To be able to receive bitcoin an address is needed, here is how to create an
address from a new private key. Please see the [`PrivateKey`](PrivateKey.md) docs
for more information about exporting and saving a key.
```javascript
@ -51,6 +51,12 @@ belong to.
The code to do these validations looks like this:
```javascript
// validate an address
if (Address.isValid(input){
...
}
// validate that an input field is a valid testnet address
if (Address.isValid(input, Networks.testnet){
...

View File

@ -117,30 +117,30 @@ Address._transformHash = function(hash){
* @returns {Object} An object with keys: network and type
* @private
*/
Address._discoverMeta = function(buffer){
var meta = {};
Address._classifyFromVersion = function(buffer){
var version = {};
switch(buffer[0]){ // the version byte
case Networks.livenet.pubkeyhash:
meta.network = Networks.livenet;
meta.type = Address.PayToPublicKeyHash;
version.network = Networks.livenet;
version.type = Address.PayToPublicKeyHash;
break;
case Networks.livenet.scripthash:
meta.network = Networks.livenet;
meta.type = Address.PayToScriptHash;
version.network = Networks.livenet;
version.type = Address.PayToScriptHash;
break;
case Networks.testnet.pubkeyhash:
meta.network = Networks.testnet;
meta.type = Address.PayToPublicKeyHash;
version.network = Networks.testnet;
version.type = Address.PayToPublicKeyHash;
break;
case Networks.testnet.scripthash:
meta.network = Networks.testnet;
meta.type = Address.PayToScriptHash;
version.network = Networks.testnet;
version.type = Address.PayToScriptHash;
break;
}
return meta;
return version;
};
/**
@ -162,19 +162,19 @@ Address._transformBuffer = function(buffer, network, type){
}
network = Networks.get(network);
var meta = Address._discoverMeta(buffer);
var bufferVersion = Address._classifyFromVersion(buffer);
if (!meta.network || (network && network !== meta.network)) {
if (!bufferVersion.network || (network && network !== bufferVersion.network)) {
throw new TypeError('Address has mismatched network type.');
}
if (!meta.type || ( type && type !== meta.type )) {
if (!bufferVersion.type || ( type && type !== bufferVersion.type )) {
throw new TypeError('Address has mismatched type.');
}
info.hashBuffer = buffer.slice(1);
info.network = meta.network;
info.type = meta.type;
info.network = bufferVersion.network;
info.type = bufferVersion.type;
return info;
};