Address 73FGQTHONHLESCV5Y3OLSY4ZXFMXGRVP, transactions and portfolio

73FGQTHONHLESCV5Y3OLSY4ZXFMXGRVP

Definition

1	[
2	"autonomous agent",
3	{
4	"bounce_fees": {
5	"base": 10000
6	},
7	"init": "{
8	// $AA_NAME = "SAAFE"; // Safe Autonomous Agent Forwarding Estate;
9	$INSTRUCTIONS = "You need a public/private key pair. You can use the same key for different assets. The public key should always be provided as many part as needed ('public_key_part1=<part>',...). To store asset, you have to send the funds with the clear message 'store' ('message = store') and the corresponding signature in many parts as needed 'signature_part1=<part1>, ...). To withdraw, provide 'message = <withdraw address>', the associated signature and the nature of the asset if not bytes ('asset=<asset id>').";
10
11	// Reconstitute the public key by concataining the given parts
12	$public_key = trigger.data.public_key1 otherwise bounce ("Need public key parts!") \|\| trigger.data.public_key2 otherwise "" \|\| trigger.data.public_key3 otherwise "" \|\| trigger.data.public_key4 otherwise "";
13
14	// Message signed, must be "store" or <withdraw address>
15	$message = trigger.data.message otherwise bounce ("Need the 'message=store or withdraw address'!");
16
17	// Reconstitute the signature by concataining the given parts
18	$signature = trigger.data.signature_part1 otherwise bounce ("Need signature parts!") \|\| trigger.data.signature_part2 otherwise "" \|\| trigger.data.signature_part3 otherwise "" \|\|trigger.data.signature_part4 otherwise "";
19
20	// Asset detection
21	$received_none_base_asset = trigger.output[[asset!=base]].asset;
22	$received_asset = ($received_none_base_asset != "none")? $received_none_base_asset : "base";
23	$asset = trigger.data.asset otherwise $received_asset;
24	$received_amount = trigger.output[[asset=$asset]].amount;
25
26	// Drawer id and state variable names
27	$public_key_hash = sha256($public_key);
28	$signature_hash = sha256($signature);
29	$drawer_key = "drawer_"\|\|sha256($public_key_hash\|\|$asset); // to reduce size
30	$drawer_owner_key = $drawer_key\|\|"_owner";
31	$drawer_amount_key = $drawer_key\|\|"_amount";
32	$drawer_asset_key = $drawer_key\|\|"_asset";
33	$last_signature_key = "last_signature_hash_"\|\|$public_key_hash;
34	}",
35	"messages": {
36	"cases": [
37	{
38	"if": "{ $message == "store" }",
39	"init": "{
40	if (!is_valid_sig("store", $public_key, $signature))
41	bounce ("Wrong signature, the fund cannot be safely store because the signature entered is note recognized as a sign message containing the word 'store' please check the documation!");
42	}",
43	"messages": [
44	{
45	"app": "state",
46	"state": "{
47	if (!!trigger.data.private)
48	if (!var[$drawer_asset_key]) // if the drawer doesnt exist yet
49	var[$drawer_owner_key] = trigger.address;
50	var[$drawer_amount_key] += $received_amount;
51	var[$drawer_asset_key] = $asset;
52	response['message'] = "Safely stored ^^";
53	}"
54	}
55	]
56	},
57	{
58	"if": "{ !!$message }",
59	"init": "{
60	// Checking if withdraw address is valid
61	if (!is_valid_address($message))
62	bounce ("Invalid address or keyword ('store') in 'message'!");
63
64	// Check if drawer exist
65	if (!var[$drawer_asset_key])
66	bounce ("public_key doesn\'t exists with this asset!");
67
68	// Checking for authorisation
69	if (!!var[$drawer_owner_key]) // if owner define then drawer is private
70	if (var[$drawer_owner_key] != trigger.address) // if user is not owner then bounce
71	bounce ("You are not the owner of this private drawer!");
72
73	// Check for replay of signature
74	if (!!var[$last_signature_key])
75	if (var[$last_signature_key] == $signature_hash)
76	bounce ("Cannot use 2 times the same signature in a row!");
77
78	// Check if signature is valid
79	$withdraw_address = $message;
80	if (!is_valid_sig($withdraw_address, $public_key, $signature))
81	bounce ("The 'withdraw address' signed is not the same as the one that was asked to use ! or this signature was not created with private key linked to "\|\|$public_key\|\|" !");
82
83	// prepare withdraw amount
84	$balance_before_withdraw = var[$drawer_amount_key];
85	$withdraw_amount = trigger.data.withdraw_amount otherwise $balance_before_withdraw;
86	}",
87	"messages": [
88	{
89	"app": "payment",
90	"payload": {
91	"asset": "{$asset}",
92	"outputs": [
93	{
94	"address": "{ $withdraw_address }",
95	"amount": "{ $withdraw_amount }"
96	}
97	]
98	}
99	},
100	{
101	"app": "state",
102	"state": "{
103	$balance_after_withdraw = $balance_before_withdraw - $withdraw_amount;
104
105	if ($balance_after_withdraw == 0) // drawer empty >> cleaning af AA state
106	{
107	var[$drawer_amount_key] = false;
108	var[$drawer_asset_key] = false;
109	var[$drawer_owner] = false;
110	response['message'] = "Successful withdraw, the drawer is now empty ^^";
111	}
112	else // update drawer balance and store last signature used for replay protection
113	{
114	var[$drawer_amount_key] = $balance_after_withdraw; // update drawer balance
115	var[$last_signature_key] = $signature_hash; // update last signature for replay protection
116	response['message'] = "successful withdraw ^^";
117	}
118	}"
119	}
120	]
121	},
122	{
123	"messages": [
124	{
125	"app": "state",
126	"state": "{ bounce ($INSTRUCTIONS); }"
127	}
128	]
129	}
130	]
131	}
132	}
133	]

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