class Straight::Blockchain::InsightAdapter
Public Class Methods
mainnet_adapter(main_url:, test_url: nil)
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# File lib/straight/blockchain_adapters/insight_adapter.rb, line 8 def self.mainnet_adapter(main_url:, test_url: nil) @@test_url = test_url new(main_url) end
new(host_url)
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# File lib/straight/blockchain_adapters/insight_adapter.rb, line 18 def initialize(host_url) @base_url = host_url end
testnet_adapter()
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# File lib/straight/blockchain_adapters/insight_adapter.rb, line 13 def self.testnet_adapter raise "Testnet not implemented" unless @@test_url new(@@test_url) end
Public Instance Methods
fetch_balance_for(address)
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# File lib/straight/blockchain_adapters/insight_adapter.rb, line 33 def fetch_balance_for(address) res = api_request("/addr/", address) res["balanceSat"].to_i end
fetch_transaction(tid, address: nil)
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# File lib/straight/blockchain_adapters/insight_adapter.rb, line 22 def fetch_transaction(tid, address: nil) res = api_request("/tx/", tid) straighten_transaction(res, address: address) end
fetch_transactions_for(address)
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# File lib/straight/blockchain_adapters/insight_adapter.rb, line 27 def fetch_transactions_for(address) res = api_request("/addr/", address) return [] if res["transactions"].empty? [fetch_transaction(res["transactions"].first, address: address)] end
Private Instance Methods
api_request(place, val)
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# File lib/straight/blockchain_adapters/insight_adapter.rb, line 40 def api_request(place, val) req_url = @base_url + place + val conn = Faraday.new(url: req_url, ssl: { verify: false }) do |faraday| faraday.adapter Faraday.default_adapter end result = conn.get do |req| req.headers['Content-Type'] = 'application/json' end JSON.parse(result.body) rescue JSON::ParserError => e raise BitcoinAddressInvalid, message: "address in question: #{val}" if e.message.include?("Invalid address") raise RequestError, YAML::dump(e) rescue => e raise RequestError, YAML::dump(e) end
straighten_transaction(transaction, address: nil)
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# File lib/straight/blockchain_adapters/insight_adapter.rb, line 56 def straighten_transaction(transaction, address: nil) total_amount = 0 tid = transaction["txid"] transaction["vout"].each do |o| total_amount += Satoshi.new(o["value"]) if address.nil? || address == o["scriptPubKey"]["addresses"].first end confirmations = transaction["confirmations"] outs = transaction["vout"].map { |o| {amount: Satoshi.new(o["value"]).to_i, receiving_address: o["scriptPubKey"]["addresses"].first} } { tid: tid, total_amount: total_amount, confirmations: confirmations || 0, outs: outs || [] } end