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cryptocron.tcl
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cryptocron.tcl
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package require http
package require tls
package require json
tls::init -tls1 true -ssl2 false -ssl3 false -tls1 true -ssl2 false -ssl3 false
::http::register https 443 ::tls::socket
#------------------------
# BTCUSD only
proc get_from_bitstamp { } {
if { [ catch {
set url "https://www.bitstamp.net/api/v2/ticker/BTCUSD"
set responseData [ http::data [ http::geturl $url -headers [list Accept-Encoding ""] ]]
#puts "Bitstamp returned |$responseData|"
set json [ ::json::json2dict $responseData ]
set ::rate_buffer(last,BTCUSD) [ dict get $json last ]
} err ] } {
puts "Error $err."
}
}
#----------------------
# Other coins
proc get_from_bittrex { } {
foreach pair [ list \
NAVBTC \
CVCBTC \
SYSBTC \
GNTBTC \
XLMBTC \
CLUBBTC \
] {
if { ![ info exists ::rate_buffer(last,$pair) ] } {
if { [ catch {
set pair_len [ string length $pair ]
set base_curr [ string range $pair $pair_len-3 $pair_len-1 ]
set curr [ string range $pair 0 $pair_len-4 ]
set bittrex_pair "$base_curr-$curr"
set url "https://bittrex.com/api/v1.1/public/getticker?market=$bittrex_pair"
set responseData [ http::data [ http::geturl $url -headers [list Accept-Encoding ""] ]]
#puts "Bittrex returned |$responseData|"
puts "Bittrex $pair OK"
set json [ ::json::json2dict $responseData ]
set success [ dict get $json success ]
set rate [ dict get [ dict get $json result ] Last ]
if { $success == "true" && $rate != "null" } {
set ::rate_buffer(last,$pair) $rate
set ::rate_buffer(provider,$pair) bittrex
}
} err ] } {
puts "Error $pair, $err."
}
} else {
puts "$pair exists"
parray ::rate_buffer *,$pair
}
}
}
#-----------------
proc get_from_binance { } {
if { [ catch {
set url "https://www.binance.com/api/v1/ticker/allPrices"
set responseData [ http::data [ http::geturl $url -headers [list Accept-Encoding ""] ]]
#puts "Binance returned |$responseData|"
puts "Binance OK"
set json [ ::json::json2dict $responseData ]
foreach pairitem $json {
set pair [ dict get $pairitem symbol ]
if { ![ info exists ::rate_buffer(last,$pair) ] } {
set price [ dict get $pairitem price ]
set ::rate_buffer(last,$pair) $price
set ::rate_buffer(provider,$pair) binance
} else {
puts "$pair exists"
parray ::rate_buffer *,$pair
}
}
} err ] } {
puts "Error $err."
}
}
#-------------------
proc get_from_hitbtc { } {
if { [ catch {
set url "https://api.hitbtc.com/api/1/public/ticker"
set responseData [ http::data [ http::geturl $url -headers [list Accept-Encoding ""] ]]
#puts "Hitbtc returned |$responseData|"
puts "Hitbtc OK"
set json [ ::json::json2dict $responseData ]
foreach pair [ dict keys $json ] {
if { ![ info exists ::rate_buffer(last,$pair) ] } {
set price [ dict get [ dict get $json $pair ] last ]
if { $price != "null" } {
set ::rate_buffer(last,$pair) $price
set ::rate_buffer(provider,$pair) hitbtc
}
} else {
puts "$pair exists"
parray ::rate_buffer *,$pair
}
}
} err ] } {
puts "Error $err."
}
}
#-------------------------------
proc get_from_kucoin { } {
foreach pair [ list \
KCSETH \
KCSBTC \
] {
#https://api.kucoin.com/v1/open/tick?symbol=KCS-BTC
if { [ catch {
set pair_len [ string length $pair ]
set base_curr [ string range $pair $pair_len-3 $pair_len-1 ]
set curr [ string range $pair 0 $pair_len-4 ]
set kucoin_pair "$curr-$base_curr"
set url "https://api.kucoin.com/v1/open/tick?symbol=$kucoin_pair"
set responseData [ http::data [ http::geturl $url -headers [list Accept-Encoding ""] ]]
puts "kucoin OK"
set json [ ::json::json2dict $responseData ]
set ::rate_buffer(last,$pair) [ dict get [ dict get $json data ] lastDealPrice ]
} err ] } {
puts "Error $pair, $err."
}
}
}
#-------------------------------
proc get_from_fixer { } {
if { [ catch {
set url "http://api.fixer.io/latest?base=USD&symbols=SGD"
set responseData [ http::data [ http::geturl $url -headers [list Accept-Encoding ""] ]]
puts "fixer OK"
set json [ ::json::json2dict $responseData ]
set ::rate_buffer(last,USDSGD) [ dict get [ dict get $json rates ] SGD ]
set ::rate_buffer(provider,USDSGD) fixer
} err ] } {
puts "Error $err."
}
}
#------------------------
proc get_from_okex { } {
foreach pair [ list \
TIOBTC \
TIOETH \
] {
#https://www.okex.com/api/v1/ticker.do?symbol=tio_usdt
if { [ catch {
set pair_len [ string length $pair ]
set base_curr [ string range $pair $pair_len-3 $pair_len-1 ]
set curr [ string range $pair 0 $pair_len-4 ]
set okex_pair "${curr}_$base_curr"
set url "https://www.okex.com/api/v1/ticker.do?symbol=$okex_pair"
set responseData [ http::data [ http::geturl $url -headers [list Accept-Encoding ""] ]]
puts "OKEX OK"
set json [ ::json::json2dict $responseData ]
set ::rate_buffer(last,$pair) [ dict get [ dict get $json ticker ] last ]
} err ] } {
puts "Error OKEX $pair, $err."
}
}
}
#------------------------
array set ::rate {}
array set ::rate_buffer {}
proc get_rate { } {
puts "get_rate"
array unset ::rate_buffer *
get_from_binance
after 500
get_from_kucoin
after 500
get_from_hitbtc
after 500
get_from_fixer
after 500
get_from_bittrex
after 500
get_from_okex
after 500
set ::rate_buffer(updated) [ clock seconds ]
puts "get_rate completed $::rate_buffer(updated). \n\n\n"
array set ::rate [ array get ::rate_buffer ]
parray ::rate last,*
array unset ::rate_buffer *
}
#--------------------
proc test { } {
get_from_okex
parray ::rate_buffer
}