這篇文章主要介紹“bytom中怎么鎖定合約”,在日常操作中,相信很多人在bytom中怎么鎖定合約問題上存在疑惑,小編查閱了各式資料,整理出簡單好用的操作方法,希望對大家解答”bytom中怎么鎖定合約”的疑惑有所幫助!接下來,請跟著小編一起來學(xué)習(xí)吧!
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模板如下:
contract TradeOffer(assetRequested: Asset, amountRequested: Amount, seller: Program, cancelKey: PublicKey) locks offered { clause trade() requires payment: amountRequested of assetRequested { lock payment with seller unlock offered } clause cancel(sellerSig: Signature) { verify checkTxSig(cancelKey, sellerSig) unlock offered } }
以下是相關(guān)代碼片段:
sendHttpPost("{\"account_id\":\"0IJVD7MNG0A02\"}","create-account-receiver","http://127.0.0.1:9888","");
以下是相關(guān)代碼片段:
sendHttpPost("{\"account_id\":\"0IJVD7MNG0A02\"}","list-pubkeys","http://127.0.0.1:9888","");
以下是相關(guān)代碼片段:
JSONObject param=new JSONObject(); JSONArray agrs=new JSONArray(); //合約的四個參數(shù)值 JSONObject assetParam=new JSONObject(); assetParam.put("string","81d097312645696daea84b761d2898d950d8fba0de06c9267d8513b16663dd3a"); agrs.put(assetParam); JSONObject amountParam=new JSONObject(); amountParam.put("integer",200000000l); agrs.put(amountParam); JSONObject programParam=new JSONObject(); programParam.put("string",control_program); agrs.put(programParam); JSONObject publicKeyParam=new JSONObject(); publicKeyParam.put("string",pubkey); agrs.put(publicKeyParam); param.put("agrs",agrs); param.put("contract","contract TradeOffer(assetRequested: Asset, amountRequested: Amount, seller: Program, cancelKey: PublicKey) locks offered { clause trade() requires payment: amountRequested of assetRequested { lock payment with seller unlock offered } clause cancel(sellerSig: Signature) { verify checkTxSig(cancelKey, sellerSig) unlock offered } }"); //調(diào)用編譯合約 sendHttpPost(param.toString(),"list-pubkeys","http://127.0.0.1:9888","");
以下是相關(guān)代碼片段:
param=new JSONObject(); agrs=new JSONArray(); JSONObject spendAccount=new JSONObject(); spendAccount.put("account_id","0H757LPD00A02"); spendAccount.put("amount",9909099090000l); spendAccount.put("asset_id","161b9767b664df907fa926a31f9e835236e57f3e9ccc5f80c12bd97723322652"); spendAccount.put("type","spend_account"); agrs.put(spendAccount); JSONObject controlAccount=new JSONObject(); controlAccount.put("control_program",program); controlAccount.put("amount",9909099090000l); controlAccount.put("asset_id","161b9767b664df907fa926a31f9e835236e57f3e9ccc5f80c12bd97723322652"); controlAccount.put("type","control_program"); agrs.put(controlAccount); JSONObject spendAccount2=new JSONObject(); spendAccount2.put("account_id","0H757LPD00A02"); spendAccount2.put("amount",6000000l); spendAccount2.put("asset_id","ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); spendAccount2.put("type","spend_account"); agrs.put(spendAccount2); param.put("actions",agrs); param.put("ttl",0); sendHttpPost(param.toString(),"build-transaction","http://127.0.0.1:9888","");
以下是相關(guān)代碼片段:
param=new JSONObject(); param.put("password","xxx"); param.put("transaction",data); sendHttpPost(param.toString(),"sign-transaction","http://127.0.0.1:9888","");
以下是相關(guān)代碼片段:
param=new JSONObject(); param.put("raw_transaction",raw_transaction); sendHttpPost(param.toString(),"submit-transactions","http://127.0.0.1:9888","");
以下是相關(guān)代碼片段:
param=new JSONObject(); param.put("id",outputid); param.put("smart_contract",true); sendHttpPost(param.toString(),"list-unspent-outputs","http://127.0.0.1:9888","");
以下是相關(guān)代碼片段:
param=new JSONObject(); param.put("program",program); sendHttpPost(param.toString(),"decode-program","http://127.0.0.1:9888","");
需要注意的是decode出來的為值是逆序的(后續(xù)會有文章詳細(xì)介紹)
取消合約的構(gòu)造參數(shù)如下:
spendAccountUnspentOutput = arguments: [{ type: 'raw_tx_signature', // 生成合約第二步的pubkeylist 詳情 raw_data: { derivation_path: pubkeylist.pubkey_infos[0].derivation_path, xpub: pubkeylist.root_xpub } }, { type: 'data', raw_data: { // 參數(shù)偏移量 在一個合約里是固定的 value: '13000000' } }], output_id: output_id, type: 'spend_account_unspent_output' } const controlAction = { type: 'control_program', amount: 100000000, asset_id: asset_id, control_program:control_program } const gasAction = { type: 'spend_account', account_id:account_id, asset_alias: 'BTM', amount: 50000000 }
執(zhí)行合約的參數(shù)構(gòu)造如下:
const spendAccountUnspentOutput = { arguments: [{ type: 'data', raw_data: { // 00000000 指的是第一個 clause,表示直接執(zhí)行,無需跳轉(zhuǎn) value: '00000000' } }], output_id: output_id, type: 'spend_account_unspent_output' } // 合約執(zhí)行提供的資產(chǎn) const issueControlAction = { control_program: control_program, amount: 100000000, asset_id: asset_id, type: 'control_program' } // 合約執(zhí)行提供的資產(chǎn) const issueSpendAction = { account_id: account_id, amount: 100000000, asset_id: asset_id, type: 'spend_account' } // 礦工費 const gasAction = { type: 'spend_account', account_id: account_id, asset_alias: 'BTM', amount: 50000000 } // 合約執(zhí)行獲得資產(chǎn)對象 const controlAction = { type: 'control_program', amount: 100000000, asset_id: asset_id, control_program: compileData.control_program }
build 操作其實就是指定輸入輸出的過程,詳情請查看 官方build文檔 和 官方api文檔
調(diào)用比原基于okhttp接口javautil 如下:
public static String sendHttpPost(String bodyStr,String method,String bytomApiserverUrl,String bytomApiserverToken) throws IOException { OkHttpClient client = new OkHttpClient(); MediaType mediaType = MediaType.parse("application/json"); RequestBody body = RequestBody.create(mediaType, bodyStr); Request request = new Request.Builder() .url(bytomApiserverUrl+"/"+method) .post(body) .addHeader("cache-control", "no-cache") .addHeader("Connection", "close") .build(); if (bytomApiserverUrl==null || bytomApiserverUrl.contains("127.0.0.1") || bytomApiserverUrl.contains("localhost")){ }else { byte[] encodedAuth = Base64.encodeBase64(bytomApiserverToken.getBytes(Charset.forName("US-ASCII"))); String authHeader = "Basic " + new String(encodedAuth); request = new Request.Builder() .url(bytomApiserverUrl+"/"+method) .post(body) .addHeader("authorization", authHeader) .addHeader("cache-control", "no-cache") .addHeader("Connection", "close") .build(); } Response response = client.newCall(request).execute(); return response.body().string(); }
到此,關(guān)于“bytom中怎么鎖定合約”的學(xué)習(xí)就結(jié)束了,希望能夠解決大家的疑惑。理論與實踐的搭配能更好的幫助大家學(xué)習(xí),快去試試吧!若想繼續(xù)學(xué)習(xí)更多相關(guān)知識,請繼續(xù)關(guān)注創(chuàng)新互聯(lián)網(wǎng)站,小編會繼續(xù)努力為大家?guī)砀鄬嵱玫奈恼拢?/p>
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