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protocol: Enable private offers

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Users can send private offers that will only be seen by one address.

To send a private offer:
 1. recipient creates a new address to receive offers on
 2. recipient sends the pubkey for the newly created address to the offerer
 3. offerer imports the recipient's pubkey
 4. offerer sends a new offer to the recipients key instead of the public network

Nodes will ignore offers sent on keys other than the network key or keys created for offer-receiving.
This commit is contained in:
tecnovert
2021-10-20 19:47:49 +02:00
parent f63815b26b
commit a40519737d
15 changed files with 217 additions and 38 deletions
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13
basicswap/js_server.py
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@@ -129,6 +129,8 @@ def js_offers(self, url_split, post_string, is_json, sent=False):
ci_from = self.server.swap_client.ci(o.coin_from)
ci_to = self.server.swap_client.ci(o.coin_to)
rv.append({
'addr_from': o.addr_from,
'addr_to': o.addr_to,
'offer_id': o.offer_id.hex(),
'created_at': o.created_at,
'expire_at': o.expire_at,
@@ -136,7 +138,7 @@ def js_offers(self, url_split, post_string, is_json, sent=False):
'coin_to': ci_to.coin_name(),
'amount_from': ci_from.format_amount(o.amount_from),
'amount_to': ci_to.format_amount((o.amount_from * o.rate) // ci_from.COIN()),
'rate': ci_to.format_amount(o.rate)
'rate': ci_to.format_amount(o.rate),
})
return bytes(json.dumps(rv), 'UTF-8')
@@ -259,8 +261,13 @@ def js_smsgaddresses(self, url_split, post_string, is_json):
post_data = urllib.parse.parse_qs(post_string)
if url_split[3] == 'new':
addressnote = get_data_entry_or(post_data, 'addressnote', '')
new_addr = swap_client.addSMSGAddress(addressnote)
return bytes(json.dumps({'new_address': new_addr}), 'UTF-8')
new_addr, pubkey = swap_client.newSMSGAddress(addressnote)
return bytes(json.dumps({'new_address': new_addr, 'pubkey': pubkey}), 'UTF-8')
if url_split[3] == 'add':
addressnote = get_data_entry_or(post_data, 'addressnote', '')
pubkey_hex = get_data_entry(post_data, 'addresspubkey')
added_address = swap_client.addSMSGAddress(pubkey_hex, addressnote)
return bytes(json.dumps({'added_address': added_address, 'pubkey': pubkey_hex}), 'UTF-8')
elif url_split[3] == 'edit':
address = get_data_entry(post_data, 'address')
activeind = int(get_data_entry(post_data, 'active_ind'))