Definition: [
"autonomous agent",
{
"init": "{
$ASSET = 'hd936lRtPN11pkgNv8qVnqN2OHMyAp8P/NsLp6KsuqA=';
$FEE_LIMIT = 3000;//byte limit where AA starts paying trigger unit commissions
//account;permission;byte;
$A = 'a';$P = 'p';$B='b';$T='total_bytes';$S='last_storage_size';$L='last_address';
$trigger_cost = unit[trigger.unit].headers_commission + unit[trigger.unit].payload_commission;
$addr = trigger.address;
$last_addr = var[$L];
$balance = balance[base] - trigger.output[[asset=base]];
$free_mode = ($balance - var[$T]) > $FEE_LIMIT;
$addr_key = $A||$addr;
$byte_key = $B ||$addr;
$last_key = $B ||$last_addr;
$base_inp = trigger.output[[asset=base]]+($free_mode?$trigger_cost:0);
$value = trigger.data.value;
if(!trigger.data.approve AND $value AND (typeof($value) != 'number' OR $value <= 0)) bounce('Value param invalid');
$last_storage_size = var[$S] otherwise 0;//last execution storage size
$storage_size = storage_size;//actual storage size
$update_st = $last_storage_size != $storage_size;
$diff_st = $last_storage_size - $storage_size;
}",
"messages": {
"cases": [
{
"if": "{
trigger.data.approve
}",
"init": "{
$approve = trigger.data.approve;
$perm_key = $P || $addr || $approve;
if(!var[$addr_key]) bounce('You have no funds');
if(!is_valid_address($approve) OR $approve == $addr) bounce('approve param invalid, specify address to approve instead of any other value');
if(!$value) bounce('Value param missing');
if(typeof($value) != 'number' OR $value < 0) bounce('Value param invalid');
}",
"messages": [
{
"app": "state",
"state": "{
var[$perm_key] = $value;
if(var[$perm_key] == 0) var[$perm_key] = false;
var[$byte_key] += $base_inp;
var[$T] += $base_inp;
if($update_st){ var[$last_key] -= $diff_st; var[$S] = $sto;}
var[$L] = trigger.address;
response['message'] = 'Approved '||$approve||' to spend '||$value ||' from your account';
}"
}
]
},
{
"if": "{
trigger.data.withdraw_bytes
}",
"init": "{
if(!var[$byte_key]) bounce('No bytes to withdraw');
if($update_st){
if($last_addr == $addr)
$diff = $diff_st > 0?$diff_st:0;
}
$w_amount = var[$byte_key]-$diff;
$w_par = is_integer(trigger.data.withdraw_bytes)?trigger.data.withdraw_bytes:0;
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "base",
"outputs": [
{
"address": "{$addr}",
"amount": "{$w_amount+$base_inp-$w_par}"
}
]
}
},
{
"app": "state",
"state": "{
$w_fee = unit[response_unit].headers_commission + unit[response_unit].payload_commission;
if($w_fee != $w_par) bounce('Your withdraw costs '||$w_fee||' bytes, please use withdraw_bytes param to set exact fee');
var[$byte_key] -= $w_amount;
var[$T] -= $w_amount;
if(var[$byte_key] == 0) var[$byte_key] = false;
if(var[$T] == 0) var[$T] = false;
if($update_st AND $last_addr != $addr){ var[$last_key] -= $diff_st; var[$S] = $sto;}
var[$L] = trigger.address;
response['message'] = 'Withdrawn '||$w_amount||' bytes from your account';
}"
}
]
},
{
"if": "{
trigger.data.deposit
}",
"init": "{
if(trigger.output[[asset!=base]].asset != 'none')
$asset = trigger.output[[asset!=base]].asset;
else
bounce('You must deposit '||$ASSET);
if($asset == 'ambiguous') bounce('Only 1 asset per tx');
if($asset != $ASSET) bounce('You must deposit '||$ASSET);
$asset_inp = trigger.output[[asset!=base]];
}",
"messages": [
{
"app": "state",
"state": "{
var[$addr_key] += $asset_inp;
var[$byte_key] += $base_inp;
var[$T] += $base_inp;
if($update_st){ var[$last_key] -= $diff_st; var[$S] = $sto;}
var[$L] = trigger.address;
response['message'] = 'Added '||$asset_inp||' to your account';
}"
}
]
},
{
"if": "{
trigger.data.withdraw
}",
"init": "{
if(!var[$addr_key]) bounce('Nothing to withdraw');
$max_w = var[$addr_key]-(var[$addr_key] % 1);
if(!$value) bounce('Value param missing, max to withdraw '||$max_w) ;
$w_amount = $value - ($value % 1);
if($w_amount <= 0) bounce('Max to withdraw '||$max_w);
if($w_amount > $max_w) bounce('Not enough funds, max to withdraw '||$max_w);
}",
"messages": [
{
"app": "payment",
"payload": {
"asset": "{$ASSET}",
"outputs": [
{
"address": "{$addr}",
"amount": "{$w_amount}"
}
]
}
},
{
"app": "state",
"state": "{
$w_fee = unit[response_unit].headers_commission + unit[response_unit].payload_commission;
var[$addr_key] -= $w_amount;
if(var[$addr_key] == 0) var[$addr_key]=false;
var[$byte_key] += $base_inp-$w_fee;
var[$T] += $base_inp-$w_fee;
if($update_st){ var[$last_key]-=$diff_st; var[$S]=$sto;}
var[$L] = trigger.address;
response['message'] = 'Withdrawn '||$w_amount||' from your account';
}"
}
]
},
{
"if": "{
trigger.data.transfer
}",
"init": "{
$to = trigger.data.transfer;
if(!is_valid_address($to) OR $to == $addr) bounce('transfer param invalid, specify address to instead of any other value');
if(!var[$addr_key]) bounce('No funds found');
if(!$value) bounce('Value param missing');
if($value > var[$addr_key]) bounce('You have max '||var[$addr_key]);
}",
"messages": [
{
"app": "state",
"state": "{
var[$A || $to] += $value;
var[$addr_key] -= $value;
if(var[$addr_key] == 0) var[$addr_key] = false;
var[$byte_key] += $base_inp;
var[$T] += $base_inp;
if($update_st){ var[$last_key] -= $diff_st; var[$S] = $sto;}
var[$L] = trigger.address;
response['message'] = 'Transferred '||$value||' to '||$to;
}"
}
]
},
{
"if": "{
trigger.data.transfer_from
}",
"init": "{
$from = trigger.data.transfer_from;
$to = trigger.data.to;
$from_key = $A || $from;
$perm_key = $P || $from || $addr;
if(!is_valid_address($from)) bounce('transfer_from param invalid, specify from address instead of any other value');
if(!$to) bounce('To param missing');
if(!is_valid_address($to)) bounce('To param invalid');
if(!var[$from_key]) bounce('Account have no funds');
if(!$value) bounce('Value param missing');
if(!var[$perm_key]) bounce('Not allowed to spend');
if(var[$perm_key] < $value) bounce('You can spend max '||var[$perm_key]);
if(var[$from_key] < $value) bounce('Account have '||var[$from_key]);
}",
"messages": [
{
"app": "state",
"state": "{
var[$A || $to] += $value;
var[$from_key] -= $value;
if(var[$from_key] == 0) var[$from_key] = false;
var[$perm_key] -= $value;
if(var[$perm_key] == 0) var[$perm_key] = false;
var[$byte_key] += $base_inp;
var[$T] += $base_inp;
if($update_st){ var[$last_key] -= $diff_st; var[$S] = $sto;}
var[$L] = trigger.address;
response['message'] = 'Transferred '||$value||' to '||$to;
}"
}
]
},
{
"messages": [
{
"app": "state",
"state": "{
if(trigger.output[[asset!=base]].asset != 'none') bounce('To deposit an asset, use deposit param');
if($update_st){ var[$last_key] -= $diff_st; var[$S] = $sto;}
var[$L] = trigger.address;
response['usage'] = 'Send param = 1 for continue.';
response['accepted_params'] = 'deposit, withdraw, transfer, transfer_from, approve, withdraw_bytes';
response['message'] = 'Received bytes for funding AA operation, thaanks!';
}"
}
]
}
]
}
}
]