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PEER INDEX (PIX)
PIX = ((VI + SI + HI + AI + PI + DLI + DUI + WLI + WUI + NI + BI) / 11.0) x 10.0
VI = Protocol version index
VI = 1 / r
r = rank of node's protocol version
Consensus protocol version is ranked 1 followed by the next most common protocol version
SI = Services index
SI = 1.0 for NODE_NETWORK, 0.0 for other
HI = Height index
HI = h / H
h = node's latest height
H = consensus height
AI = ASN index
AI = ln((1 / n) x N) / ln(N)
N = number of reachable nodes
n = number of nodes from N with the same ASN
PI = Port index
PI = 1.0 for 8333 (default port), 0.0 for other
DLI = Average daily latency index
DLI = 1.0 for <= 300 ms
0.9 for <= 400 ms
0.8 for <= 500 ms
0.7 for <= 600 ms
0.6 for <= 700 ms
0.5 for <= 800 ms
0.4 for <= 900 ms
0.3 for <= 1000 ms
0.2 for <= 1100 ms
0.1 for <= 1200 ms
0.0 for > 1200 ms
DUI = Daily uptime index
DUI = t / T
t = number of daily ticks with latency > 0
T = number of daily ticks
Tick with latency <= 0 indicates that node is unreachable
WLI = Average weekly latency index
WLI = 1.0 for <= 300 ms
0.9 for <= 400 ms
0.8 for <= 500 ms
0.7 for <= 600 ms
0.6 for <= 700 ms
0.5 for <= 800 ms
0.4 for <= 900 ms
0.3 for <= 1000 ms
0.2 for <= 1100 ms
0.1 for <= 1200 ms
0.0 for > 1200 ms
WUI = Weekly uptime index
WUI = t / T
t = number of weekly ticks with latency > 0
T = number of weekly ticks
Tick with latency <= 0 indicates that node is unreachable
NI = Nodes index
NI = (p ∩ N) / N
p = peers returned in addr responses
N = reachable nodes
BI = Block index
BI = 1.0 if valid block is returned in response to getdata request, 0.0 if otherwise