adedc7f9c fix HelpExamplRPC port for liquidv1 vs bitcoin mainnet (Gregory Sanders)
d35bf0821 Fix sendtomainchain with pak when subtracting fee from output (Gregory Sanders)
Pull request description:
resolves https://github.com/ElementsProject/elements/issues/695
and also fixes RPC port in help
needs backport to 0.17/0.18
Tree-SHA512: fb5414264a3fc70320b2e25261435a60383c4bf7c2c7f2d6381a862a1c89b2a97f824da412d21cf2e827d02e40e54dde214de471aad9a54c7f3c06ec98d6d840
eef221938 fix config err (Chengcheng Zhang)
Pull request description:
I was confused to instructions in [Elements code tutorial](https://elementsproject.org/elements-code-tutorial/working-environment):
> `cp ~/elements/contrib/assets_tutorial/elements2.conf ~/elementsdir2/elements.conf`
But, in `~/elements/contrib/assets_tutorial/elements2.conf`, the network type is not specified at the beginning.
I got an error after `e2-cli`:
```
$ e2-cli getwalletinfo
error: Could not connect to the server 127.0.0.1:7041
Make sure the daemon server is running and that you are connecting to the correct RPC port.
```
because elements default network is liquid, the port is 7041, so if you don't point the correct chain, you wouldn't get correct info.
So I think the correct elements2.conf as below:
```
chain=elementsregtest
rpcuser=user2
rpcpassword=password2
elementsregtest.rpcport=18885
elementsregtest.port=18887
elementsregtest.connect=localhost:18886
daemon=1
listen=1
txindex=1
#fedpegscript=51<pubkey>51ae
#signblockscript=51<pubkey2>51ae
mainchainrpcport=18888
mainchainrpcuser=user3
mainchainrpcpassword=password3
validatepegin=1
initialfreecoins=2100000000000000
```
I got correct result:
```
$ e2-cli -getinfo
{
"version": 189900,
"protocolversion": 70015,
"walletversion": 169900,
"balance": {
"bitcoin": 21000000.00000000
},
"blocks": 0,
"timeoffset": 0,
"connections": 0,
"proxy": "",
"difficulty": null,
"testnet": false,
"keypoololdest": 1565173696,
"keypoolsize": 1000,
"paytxfee": 0.00000000,
"relayfee": 0.00001000,
"warnings": ""
}
```
Tree-SHA512: c49303328fe5dde6682a1a8cde88350f35af081bb54d0d1dd5072a4c92cb043ed0b84303956a692bc4bc58f5741eae5664f8ffbe9ca795ca7f632c98d43586dd
