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update assets tutorial to support new peg-in format

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This commit is contained in:
Gregory Sanders 2017-09-15 14:51:49 -04:00
parent 6e8e6b2de8
commit 3ba146d872
2 changed files with 12 additions and 35 deletions
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24
contrib/assets_tutorial/assets_tutorial.py
View file

@ -46,7 +46,6 @@ def sync_all(e1, e2):
time.sleep(1) time.sleep(1)
return return
## Preparations ## Preparations
# Make data directories for each daemon # Make data directories for each daemon
@ -91,20 +90,19 @@ time.sleep(3)
# Alternatively, you can set validatepegin=0 in their configs and not # Alternatively, you can set validatepegin=0 in their configs and not
# run the bitcoin node, but it is necessary for fully validating the two way peg. # run the bitcoin node, but it is necessary for fully validating the two way peg.
# At beginning "immature balance" holds all funds until genesis is mature # Regtest chain starts with 21M bitcoins as OP_TRUE which the wallet
# Regtest chain starts with 21M elements coins as OP_TRUE which the wallet # understands. This is useful for testing basic functionality and for
# understands. This is useful for testing basic functionality. # blockchains that have no pegging functionality. "Policy" coins are required
# In Elements there is no block subsidy. All 21M output value in a mainnet # for anti-DoS purposes as well as asset issuance, which consumes inputs for entropy.
# pegged sidechain are locked for pegging. # In Elements there is no block subsidy. In a production sidechain it can
# be configured to start with no outputs, necessitating peg-in functionality
# for asset issuance.
e1.getwalletinfo() e1.getwalletinfo()
# In regtest mining "target" is OP_TRUE since we have not set `-signblockscript` argument # In regtest mining "target" is OP_TRUE since we have not set `-signblockscript` argument
# Generate simply works. # Generate simply works.
e1.generate(101) e1.generate(101)
sync_all(e1, e2) sync_all(e1, e2)
# Now we have 21M OP_TRUE value in each Elements wallet.
e1.getwalletinfo()
e2.getwalletinfo()
######## WALLET ########### ######## WALLET ###########
@ -419,12 +417,6 @@ e1.generate(101)
bitcoin.generate(101) bitcoin.generate(101)
sync_all(e1, e2) sync_all(e1, e2)
# We have to lock up some of the funds first. Regtest(what we're running) has all funds as OP_TRUE
# but this is not the case in testnet/production. Doesn't matter where we send it
# inside Bitcoin, this is just a hack to lock some funds up.
# We can immediately grab this output from the mempool on subsequent steps
e1.sendtomainchain(bitcoin.getnewaddress(), 50)
# Now we can actually start pegging in. Examine the pegin address fields # Now we can actually start pegging in. Examine the pegin address fields
e1.getpeginaddress() e1.getpeginaddress()
# Changes each time as it's a new sidechain address as well as new "tweak" for the watchmen keys # Changes each time as it's a new sidechain address as well as new "tweak" for the watchmen keys
@ -448,7 +440,7 @@ proof = bitcoin.gettxoutproof([txid])
raw = bitcoin.getrawtransaction(txid) raw = bitcoin.getrawtransaction(txid)
# Attempt claim! # Attempt claim!
claimtxid = e1.claimpegin(raw, proof, addrs["sidechain_address"]) claimtxid = e1.claimpegin(raw, proof, addrs["witness_program"])
sync_all(e1, e2) sync_all(e1, e2)
# Other node should accept to mempool and mine # Other node should accept to mempool and mine

23
contrib/assets_tutorial/assets_tutorial.sh
View file

@ -39,18 +39,11 @@ e2-dae
# run the bitcoin node, but it is necessary for the two way peg parts of # run the bitcoin node, but it is necessary for the two way peg parts of
# this tutorial. # this tutorial.
# Prime the chain, see "immature balance" holds all funds until genesis is mature # We have 21M OP_TRUE value in each wallet
e1-cli getwalletinfo # This is useful for testing and non-sidechain applications of Elements
# Mining for now is OP_TRUE
e1-cli generate 101
# Now we have 21M OP_TRUE value
e1-cli getwalletinfo e1-cli getwalletinfo
e2-cli getwalletinfo e2-cli getwalletinfo
# Primed and ready
######## WALLET ########### ######## WALLET ###########
@ -311,19 +304,11 @@ e2-dae $FEDPEGARG
e1-cli generate 101 e1-cli generate 101
b-cli generate 101 b-cli generate 101
# We have to lock up some of the funds first. Regtest(what we're running) has all funds as OP_TRUE
# but this is not the case in testnet/production. Doesn't matter where we send it
# inside Bitcoin, this is just a hack to lock some funds up.
e1-cli sendtomainchain $(b-cli getnewaddress) 50
# Mature the pegout
e1-cli generate 101
# Now we can actually start pegging in. Examine the pegin address fields # Now we can actually start pegging in. Examine the pegin address fields
e1-cli getpeginaddress e1-cli getpeginaddress
# Changes each time as it's a new sidechain address as well as new "tweak" for the watchmen keys # Changes each time as it's a new sidechain address as well as new "tweak" for the watchmen keys
# mainchain_address : where you send your bitcoin from Bitcoin network # mainchain_address : where you send your bitcoin from Bitcoin network
# sidechain_address : where the bitcoin will end up on the sidechain after pegging in # witness_program: what script will have to be satisfied to spent the peg-in input
# Each call of this takes the pubkeys defined in the config file, adds a random number to them # Each call of this takes the pubkeys defined in the config file, adds a random number to them
# that is essetially the hash of the sidechain_address and other information, # that is essetially the hash of the sidechain_address and other information,
@ -335,7 +320,7 @@ e1-cli getpeginaddress
ADDRS=$(e1-cli getpeginaddress) ADDRS=$(e1-cli getpeginaddress)
MAINCHAIN=$(echo $ADDRS | python3 -c "import sys, json; print(json.load(sys.stdin)['mainchain_address'])") MAINCHAIN=$(echo $ADDRS | python3 -c "import sys, json; print(json.load(sys.stdin)['mainchain_address'])")
SIDECHAIN=$(echo $ADDRS | python3 -c "import sys, json; print(json.load(sys.stdin)['sidechain_address'])") SIDECHAIN=$(echo $ADDRS | python3 -c "import sys, json; print(json.load(sys.stdin)['witness_program'])")
#Send funds to unique watchmen P2SH address #Send funds to unique watchmen P2SH address
TXID=$(b-cli sendtoaddress $MAINCHAIN 1) TXID=$(b-cli sendtoaddress $MAINCHAIN 1)