使用shuttle实现bytom上跨链资产交换
蕙质兰心283
发表于 2023-1-10 02:30:43
72
0
0
该工具主要的功能是实现不同资产在比原链上交换,首先是在比原链上不同资产进行交换。这个主要使用币币交换合约来进行资产的交换。如果是在比原的主侧链上进行跨链资产交换,则使用的是哈希时间锁合约来完成两条不同链上的资产交换。( `" s' f* O" T8 S
下面我们来看一下操作的具体步骤:$ h' f: e2 g! Y
第一步: 首先搭建节点环境
1.1 golang的版本高于1.12,同时设置好的$GOPATH环境目录
1.2 启动并配置好bytom节点,参考:bytom readme.md
1.3 源码构建:Shuttle仍处于测试阶段,因此存储库代码将经常更改。您可以直接从源代码构建工具。参考下面的命令:* V+ p; m' @/ W. S/ c* r$ ?
$ git clone https://github.com/Bytom/shuttle.git $GOPATH/src/github.com/shuttle
$ cd $GOPATH/src/github.com/shuttle
$ make install1 o, K! i4 Q! R* E* F
Shuttle help 相关命令如下:
$ swap -h
swap is a commond line client for bytom contract
Usage:/ _1 A' w. C9 U& p8 R# f
swap [flags]
swap [command]$ T# ^# J2 [ X! m: Z! E
vailable Commands:$ N' G$ [, r) ^" q: b8 u
callHTLC call HTLC contract for asset swapping3 R9 r, h1 s9 ]
callTradeoff call tradeoff contract for asset swapping f$ _. M" Z1 U5 @' H8 z1 k A
cancelHTLC cancel HTLC contract for asset swapping: E) U' R7 s+ W
cancelTradeoff cancel tradeoff contract for asset swapping9 t8 W" t( s3 l! L# ~1 q- ^
deployHTLC deploy HTLC contract
deployTradeoff deploy tradeoff contract
help Help about any command
Flags:
-h, --help help for swap. v. r8 f8 K' O1 g! _! I$ I( @
Use "swap [command] --help" for more information about a command.: q! P0 k: c/ e5 F: s2 F
第二步:同一条链上进行跨链资产交换# \4 v$ o) Q- `! o7 o) u
如果你想在单一一条链上交换比原资产,不论是bytom主链还是vapor侧链,都直接使用Tradeoff合约可以实现资产的交换,整个交换流程图如下:
首先我们启动bytom节点,为了测试,你可以启动solnet节点: z4 H. g2 Q6 K# n! H I; D
$ bytomd init --chain_id=solonet --home $HOME/bytom/solonet # init bytom solonet node! L/ c- [, m5 w2 Q
$ bytomd node --home $HOME/bytom/solonet --mining # launch bytom solonet node and start mining7 {# m. v; P A( w' {; |
搭建完测试节点以后,可以在区块链上创建账户,发行资产(issue asset)用来测试
创建账户参考9 V1 B$ o1 U4 L
发行资产参考
例如:在bytom主链上,账户A有200BTC,账户B有10个BTM,他们就可以是用shuttle工具进行交换。
####2.1 下面正式部署 tradeoff合约(下面是合约部署相关命令以及相关参数): ]6 w$ Q! L* Q- a
$ swap deployTradeoff -h
deploy tradeoff contract, F1 j9 Y& i; T' E7 |/ m/ u3 ^
Usage:4 f% n' G" p7 h. p+ ]9 s4 B
swap deployTradeoff [contract flags(paramenters and locked value)] [txFee flag] [URL flags(ip and port)] [flags]1 G+ D: V3 y; h/ Q( m5 Q, V( X
Flags:
--amountLocked uint tradeoff contract locked value with amount //锁定资产的数量
--amountRequested uint tradeoff contract paramenter with requested amount //锁定需要兑换的资产数量6 V' `" S: _, V' o! F$ z
--assetLocked string tradeoff contract locked value with assetID //资产ID( J, J( X) _1 g5 Y5 M% v$ O
--assetRequested string tradeoff contract paramenter with requested assetID //兑换的资产ID
--cancelKey string tradeoff contract paramenter with seller pubkey for cancelling the contract //解锁合约需要用到的pubkey
-h, --help help for deployTradeoff. c O' C) X" c( \. w8 K
--ip string network address (default "127.0.0.1")4 I6 k4 ^' {/ U" |
--port string network port (default "9888")
--seller string tradeoff contract paramenter with seller control-program
--txFee uint contract transaction fee (default 40000000)
下面是实例化部署合约的过程: [( c9 Y! g* w6 G0 G; j: F
$ swap deployTradeoff 10CJPO1HG0A02 12345 --amountLocked 20000000000 --amountRequested 1000000000 --assetLocked bae7e17bb8f5d0cfbfd87a92f3204da082d388d4c9b10e8dcd36b3d0a18ceb3a --assetRequested ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff --cancelKey 3e5d7d52d334964eef173021ef6a04dc0807ac8c41700fe718f5a80c2109f79e --seller 00145dd7b82556226d563b6e7d573fe61d23bd461c1f --txFee 40000000
--> contractUTXOID: 34996b0838108de8c614bc018e8fdbbfc08a47ffbe0fd6d7f41892b90de3999f
合约部署好了以后,2.5 分钟后,比原链上的一个新的区块被矿工打包后,部署的合约就可以被认证。4 G H! S6 x/ t% |* s( a! p5 S, S
2.2 调用tradeoff合约(下面是调用合约的命令)
$ swap callTradeoff -h
call tradeoff contract for asset swapping7 A' Y$ v- \8 U8 v; }
Usage:
swap callTradeoff [txFee flag] [URL flags(ip and port)] [flags]
Flags:
-h, --help help for callTradeoff
--ip string network address (default "127.0.0.1")
--port string network port (default "9888")
--txFee uint contract transaction fee (default 40000000)
调用合约实例化参数如下:, S5 F. l( z: L' e
$ swap callTradeoff 10CKAD3000A02 12345 00140fdee108543d305308097019ceb5aec3da60ec66 34996b0838108de8c614bc018e8fdbbfc08a47ffbe0fd6d7f41892b90de3999f
--> txID: 55e43274d2d92504a903a13e3f6517d63434fc19a2fa0e1fc0a9a5c8c75e8f6c
调用完以后,当交易在新的区块中被确认,整个资产交换过程就完成,如下图:
交换完成后,现在账户账户A有200个BTC,账户B有10个BTM。/ h- Q9 ^% z) ~- M
2.3 取消tradeoff合约(下面是取消tradeoff合约的相关命令)
如果有人想取消tradeoff合约交易,可以调用该命令取消,如下:
$ swap cancelTradeoff -h8 A$ _/ t4 x% w Q1 Y
cancel tradeoff contract for asset swapping
Usage:! {: Z7 L' V9 f" X( y" C
swap cancelTradeoff [txFee flag] [URL flags(ip and port)] [flags]8 ~% `9 \2 m8 Y6 H0 x, }1 d
Flags:4 K1 B. @: }, k0 b
-h, --help help for cancelTradeoff
--ip string network address (default "127.0.0.1")
--port string network port (default "9888")0 Q- m' m+ Z; Z+ B8 k
--txFee uint contract transaction fee (default 40000000)1 r$ t; d* e9 @
取消tradeoff合约的实例化如下:
$ swap deployTradeoff 10CJPO1HG0A02 12345 --amountLocked 20000000000 --amountRequested 1000000000 --assetLocked bae7e17bb8f5d0cfbfd87a92f3204da082d388d4c9b10e8dcd36b3d0a18ceb3a --assetRequested ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff --cancelKey 3e5d7d52d334964eef173021ef6a04dc0807ac8c41700fe718f5a80c2109f79e --seller 00145dd7b82556226d563b6e7d573fe61d23bd461c1f --txFee 400000001 ?" \& O4 S9 _
--> contractUTXOID: e898ea907f8586b3211a46b69d0cddd363f8a850f559656570eb6afc6ac382c5
$ swap cancelTradeoff 10CJPO1HG0A02 12345 00145b0a81adc5c2d68a9967082a09c96e82d62aa058 e898ea907f8586b3211a46b69d0cddd363f8a850f559656570eb6afc6ac382c5
--> txID: 0f75db743196b8b2e514c49d6483dfba9bd5ab8e913a7559ecaea0324977313f3 A* H* }2 t$ K( J. s o
示例图如下:
/ X1 R8 \ d% }2 N4 K2 U
上面整个流程就是在同一条链上不同资产进行交换的整个过程,下面我们来看一下不同链上的两个资产进行交换,假设以bytom和vapor为例。
第三步:不同链上资产进行交换
你可以使用该工具在bytom和vapor上交换资产: M1 A% y4 C) V+ N2 W
9 O( ^: M8 \+ Q" ]
3.1 搭建并启动bytom和vapor节点# A' _- q, t! o- s/ v( q
为了方便测试。你可以启动bytom和vapor的solonet节点
启动bytom solonet 节点:! E6 G4 \- l8 Z
$ bytomd init --chain_id=solonet --home $HOME/bytom/solonet # init bytom solonet node
$ bytomd node --home $HOME/bytom/solonet --mining # launch bytom solonet node and start mining7 e; E K$ ^" E
启动vapor solonet 节点:
$ vapord init --chain_id=solonet --home $HOME/bytom/vapor-solonet # init vapor solonet node, B3 f: |1 |& _5 ~4 h4 G. P* L& H$ Q: O3 P
$ vapord node --home $HOME/bytom/vapor-solonet --mining # launch vapor solonet node and start mining$ ~/ u$ L" ]0 F: ]) D! D( k
3.2 部署HTLC合约(合约的部署命令如下)
$ swap deployHTLC -h
deploy HTLC contract2 {5 B, Z3 N* e5 P' s
Usage:
swap deployHTLC [contract flags(paramenters and locked value)] [txFee flag] [URL flags(ip and port)] [flags]! E: v# K9 N' [0 ?' ], E+ b
Flags:
--amountLocked uint HTLC contract locked value with amount
--assetLocked string HTLC contract locked value with assetID, |/ v6 ]) U* Q& E) C- T% V5 }
--blockHeight uint HTLC contract locked value with blockHeight8 a2 x9 ~7 q* b9 k+ q! A
--hash string HTLC contract locked value with hash" E: ] i/ N2 b- a, j$ j( f
-h, --help help for deployHTLC8 g, ^ R, h! ^* q1 H A
--ip string network address (default "127.0.0.1")* y3 f# q; Q* I! Y
--port string network port (default "9888")
--recipient string HTLC contract paramenter with recipientPublicKey( L5 R& U9 u; l7 H
--sender string HTLC contract paramenter with sender PublicKey
--txFee uint contract transaction fee (default 40000000)
部署HTLC合约的实例参数如下:1 N3 c& f0 L: L, p
$ swap deployHTLC 11BB7TC8G0A02 12345 --sender 7262584844d4c14f512d1b6c9838e62c320e1d7887e7185bfea920c72a944e44 --recipient 562013c2f9082f1db52a2571034428921dd6eec8c010c2b2387f5b6125ff4aa7 --blockHeight 1200 --hash 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824 --assetLocked bae7e17bb8f5d0cfbfd87a92f3204da082d388d4c9b10e8dcd36b3d0a18ceb3a --amountLocked 20000000000
--> contractUTXOID: e1b104a03f4135b45d1c4c5fabbdca4dd0555653a588b71d790d45c4ffb2c50e( A6 C' | ^7 v* X
3.3 调用HTLC合约
$ swap callHTLC -h
call HTLC contract for asset swapping
Usage:2 \0 h; h* l7 L( D3 F! E
swap callHTLC [txFee flag] [URL flags(ip and port)] [flags]; d, U' H& q, a# q- R; f
Flags:
-h, --help help for callHTLC
--ip string network address (default "127.0.0.1")3 s& p* K0 z) J/ [: o3 b
--port string network port (default "9888"). n; H& Q" O: S" y2 P% `) W
--txFee uint contract transaction fee (default 40000000)# w* w4 c ^8 Y8 S( M1 D# I% R
调用HTLC合约的实力化参数如下:
$ swap callHTLC 11BB86V300A04 12345 0014230cb75fcfcc70c580ce7f1d21c1e374d27334a8 68656c6c6f e1b104a03f4135b45d1c4c5fabbdca4dd0555653a588b71d790d45c4ffb2c50e
--> txID: df57b7906684e3d85adf59073ccbc0a3c5114b165626e9791f3269e9e57c319e2 o$ a, N j3 k1 t
实际的交换过程如下:1 g8 J- g* S; [( ?+ _0 b/ ?' h' d
3.4 取消HTLC合约(命令参数如下)7 W. i6 s& c" J3 E2 _* B% E
$ swap cancelHTLC -h
cancel HTLC contract for asset swapping
Usage:# ^ n* w- o$ W% e/ Y9 A
swap cancelHTLC [txFee flag] [URL flags(ip and port)] [flags]1 O# @# }/ ~4 w$ R( S& y4 L$ Z
Flags:1 H2 ?( R9 Q; a. l, z9 C# M
-h, --help help for cancelHTLC- W! l3 e. K! O! v5 f- {
--ip string network address (default "127.0.0.1")
--port string network port (default "9888")6 N0 R" P) R9 s; }" _
--txFee uint contract transaction fee (default 40000000); C3 z3 I4 q* o4 b3 S
取消HTLC合约的实例化参数如下:
$ swap deployHTLC 11BB7TC8G0A02 12345 --sender 7262584844d4c14f512d1b6c9838e62c320e1d7887e7185bfea920c72a944e44 --recipient 562013c2f9082f1db52a2571034428921dd6eec8c010c2b2387f5b6125ff4aa7 --blockHeight 1200 --hash 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824 --assetLocked bae7e17bb8f5d0cfbfd87a92f3204da082d388d4c9b10e8dcd36b3d0a18ceb3a --amountLocked 20000000000
--> contractUTXOID: 68ed6b948b93544ea135482f1acd93d6b10cdc88f52d44133d264a5ee86b1ebd0 U# A2 G1 B( ^. b- P* V
$ swap cancelHTLC 11BB7TC8G0A02 12345 001434fec270871c1f3420db85831f59511b2dd2a026 68ed6b948b93544ea135482f1acd93d6b10cdc88f52d44133d264a5ee86b1ebd! M- c1 A" k8 z( R2 U
--> txID: c70a467e94b287d29c6d91a2cb6f8ef3c7ef4dba315d99acf2dc9ff698996270 0 l$ m* ]$ [4 Q) z
示例图如下:
' G2 m | n: V! R3 W
取消HTLC合约以后,a4发起HTLC合约兑换的资产自动返回账户。/ S# W P+ Z) _: D
这些都是a账户在bytom上的操作,a5账户同时在侧链上实现相同的操作就可以了。
成为第一个吐槽的人